880393478634 has 48 divisors (see below), whose sum is σ = 1956402531720. Its totient is φ = 285961259520.

The previous prime is 880393478557. The next prime is 880393478639. The reversal of 880393478634 is 436874393088.

It can be written as a sum of positive squares in 4 ways, for example, as 329020401609 + 551373077025 = 573603^2 + 742545^2 .

It is not an unprimeable number, because it can be changed into a prime (880393478639) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107707 + ... + 1331310.

Almost surely, 2^880393478634 is an apocalyptic number.

880393478634 is an abundant number, since it is smaller than the sum of its proper divisors (1076009053086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

880393478634 is a wasteful number, since it uses less digits than its factorization.

880393478634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439895 (or 1439892 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 63.

The spelling of 880393478634 in words is "eight hundred eighty billion, three hundred ninety-three million, four hundred seventy-eight thousand, six hundred thirty-four".