871072080 has 80 divisors (see below), whose sum is σ = 2703201984. Its totient is φ = 232038400.

The previous prime is 871072073. The next prime is 871072099. The reversal of 871072080 is 80270178.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 383107 + ... + 385373.

Almost surely, 2^871072080 is an apocalyptic number.

871072080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

871072080 is an abundant number, since it is smaller than the sum of its proper divisors (1832129904).

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

871072080 is a wasteful number, since it uses less digits than its factorization.

871072080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3884 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 871072080 is about 29513.9302702978. The cubic root of 871072080 is about 955.0322366977.

The spelling of 871072080 in words is "eight hundred seventy-one million, seventy-two thousand, eighty".