945555704677 has 4 divisors (see below), whose sum is σ = 945557919436. Its totient is φ = 945553489920.

The previous prime is 945555704663. The next prime is 945555704713. The reversal of 945555704677 is 776407555549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 776407555549 = 1409 ⋅551034461.

It can be written as a sum of positive squares in 2 ways, for example, as 494221654081 + 451334050596 = 703009^2 + 671814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-945555704677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945555704647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241074 + ... + 1396147.

It is an arithmetic number, because the mean of its divisors is an integer number (236389479859).

Almost surely, 2^945555704677 is an apocalyptic number.

It is an amenable number.

945555704677 is a deficient number, since it is larger than the sum of its proper divisors (2214759).

945555704677 is a wasteful number, since it uses less digits than its factorization.

945555704677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214758.

The product of its (nonzero) digits is 185220000, while the sum is 64.

The spelling of 945555704677 in words is "nine hundred forty-five billion, five hundred fifty-five million, seven hundred four thousand, six hundred seventy-seven".