880678657 has 4 divisors (see below), whose sum is σ = 901159600. Its totient is φ = 860197716.

The previous prime is 880678651. The next prime is 880678681. The reversal of 880678657 is 756876088.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 880678657 - 2¹⁵ = 880645889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 880678598 and 880678607.

It is not an unprimeable number, because it can be changed into a prime (880678651) 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, 10240407 + ... + 10240492.

It is an arithmetic number, because the mean of its divisors is an integer number (225289900).

Almost surely, 2^880678657 is an apocalyptic number.

It is an amenable number.

880678657 is a deficient number, since it is larger than the sum of its proper divisors (20480943).

880678657 is a wasteful number, since it uses less digits than its factorization.

880678657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480942.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The square root of 880678657 is about 29676.2305052377. The cubic root of 880678657 is about 958.5302513422.

The spelling of 880678657 in words is "eight hundred eighty million, six hundred seventy-eight thousand, six hundred fifty-seven".