870009661400 has 48 divisors (see below), whose sum is σ = 2206660874040. Its totient is φ = 316367148800.

The previous prime is 870009661333. The next prime is 870009661463. The reversal of 870009661400 is 4166900078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197727269 + ... + 197731668.

Almost surely, 2^870009661400 is an apocalyptic number.

It is an amenable number.

870009661400 is an abundant number, since it is smaller than the sum of its proper divisors (1336651212640).

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

870009661400 is a wasteful number, since it uses less digits than its factorization.

870009661400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395458964 (or 395458955 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 870009661400 in words is "eight hundred seventy billion, nine million, six hundred sixty-one thousand, four hundred".