880643157 has 4 divisors (see below), whose sum is σ = 1174190880. Its totient is φ = 587095436.

The previous prime is 880643143. The next prime is 880643173. The reversal of 880643157 is 751346088.

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 880643157 - 2¹² = 880639061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880643107) 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, 146773857 + ... + 146773862.

It is an arithmetic number, because the mean of its divisors is an integer number (293547720).

Almost surely, 2^880643157 is an apocalyptic number.

It is an amenable number.

880643157 is a deficient number, since it is larger than the sum of its proper divisors (293547723).

880643157 is a wasteful number, since it uses less digits than its factorization.

880643157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293547722.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 880643157 is about 29675.6323774237. The cubic root of 880643157 is about 958.5173717745.

The spelling of 880643157 in words is "eight hundred eighty million, six hundred forty-three thousand, one hundred fifty-seven".