845346077 has 4 divisors (see below), whose sum is σ = 865964316. Its totient is φ = 824727840.

The previous prime is 845346053. The next prime is 845346101. The reversal of 845346077 is 770643548.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (845346053) and next prime (845346101).

It can be written as a sum of positive squares in 2 ways, for example, as 251254201 + 594091876 = 15851^2 + 24374^2 .

It is a cyclic number.

It is not a de Polignac number, because 845346077 - 2⁸ = 845345821 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 (845346877) 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, 10309058 + ... + 10309139.

It is an arithmetic number, because the mean of its divisors is an integer number (216491079).

Almost surely, 2^845346077 is an apocalyptic number.

It is an amenable number.

845346077 is a deficient number, since it is larger than the sum of its proper divisors (20618239).

845346077 is a wasteful number, since it uses less digits than its factorization.

845346077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20618238.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 845346077 is about 29074.8358034917. The cubic root of 845346077 is about 945.5362435249.

The spelling of 845346077 in words is "eight hundred forty-five million, three hundred forty-six thousand, seventy-seven".