867877956 has 48 divisors (see below), whose sum is σ = 2454607680. Its totient is φ = 262992960.

The previous prime is 867877919. The next prime is 867877979. The reversal of 867877956 is 659778768.

It is a junction number, because it is equal to n+sod(n) for n = 867877893 and 867877902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 364081 + ... + 366456.

It is an arithmetic number, because the mean of its divisors is an integer number (51137660).

Almost surely, 2^867877956 is an apocalyptic number.

It is an amenable number.

867877956 is an abundant number, since it is smaller than the sum of its proper divisors (1586729724).

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

867877956 is a wasteful number, since it uses less digits than its factorization.

867877956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730561 (or 730553 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The square root of 867877956 is about 29459.7684308618. The cubic root of 867877956 is about 953.8634747869.

The spelling of 867877956 in words is "eight hundred sixty-seven million, eight hundred seventy-seven thousand, nine hundred fifty-six".