945670477 has 4 divisors (see below), whose sum is σ = 946663740. Its totient is φ = 944677216.

The previous prime is 945670463. The next prime is 945670493. The reversal of 945670477 is 774076549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 774076549 = 19 ⋅40740871.

It can be written as a sum of positive squares in 2 ways, for example, as 525051396 + 420619081 = 22914^2 + 20509^2 .

It is a cyclic number.

It is not a de Polignac number, because 945670477 - 2¹¹ = 945668429 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 945670477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945670447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 495202 + ... + 497107.

It is an arithmetic number, because the mean of its divisors is an integer number (236665935).

Almost surely, 2^945670477 is an apocalyptic number.

It is an amenable number.

945670477 is a deficient number, since it is larger than the sum of its proper divisors (993263).

945670477 is an equidigital number, since it uses as much as digits as its factorization.

945670477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993262.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The square root of 945670477 is about 30751.7556734571. The cubic root of 945670477 is about 981.5519201725.

The spelling of 945670477 in words is "nine hundred forty-five million, six hundred seventy thousand, four hundred seventy-seven".