870154912512 has 54 divisors (see below), whose sum is σ = 2508871136772. Its totient is φ = 290051636736.

The previous prime is 870154912511. The next prime is 870154912573. The reversal of 870154912512 is 215219451078.

870154912512 is a `hidden beast` number, since 8 + 70 + 1 + 54 + 9 + 12 + 512 = 666.

It is not an unprimeable number, because it can be changed into a prime (870154912511) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188833398 + ... + 188838005.

Almost surely, 2^870154912512 is an apocalyptic number.

It is an amenable number.

870154912512 is an abundant number, since it is smaller than the sum of its proper divisors (1638716224260).

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

870154912512 is a wasteful number, since it uses less digits than its factorization.

870154912512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377671425 (or 377671408 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 870154912512 in words is "eight hundred seventy billion, one hundred fifty-four million, nine hundred twelve thousand, five hundred twelve".