881682465978 has 24 divisors (see below), whose sum is σ = 1946355634548. Its totient is φ = 288348982272.

The previous prime is 881682465977. The next prime is 881682466013. The reversal of 881682465978 is 879564286188.

881682465978 is a `hidden beast` number, since 8 + 8 + 1 + 6 + 8 + 24 + 6 + 597 + 8 = 666.

881682465978 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 881613957249 + 68508729 = 938943^2 + 8277^2 .

It is not an unprimeable number, because it can be changed into a prime (881682465977) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462096775 + ... + 462098682.

Almost surely, 2^881682465978 is an apocalyptic number.

881682465978 is an abundant number, since it is smaller than the sum of its proper divisors (1064673168570).

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

881682465978 is a wasteful number, since it uses less digits than its factorization.

881682465978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924195518 (or 924195515 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 72.

The spelling of 881682465978 in words is "eight hundred eighty-one billion, six hundred eighty-two million, four hundred sixty-five thousand, nine hundred seventy-eight".