870785362940 has 24 divisors (see below), whose sum is σ = 1828729868112. Its totient is φ = 348298791680.

The previous prime is 870785362921. The next prime is 870785362973. The reversal of 870785362940 is 49263587078.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 870785362940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488894 + ... + 1407333.

It is an arithmetic number, because the mean of its divisors is an integer number (76197077838).

Almost surely, 2^870785362940 is an apocalyptic number.

It is an amenable number.

870785362940 is an abundant number, since it is smaller than the sum of its proper divisors (957944505172).

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

870785362940 is a wasteful number, since it uses less digits than its factorization.

870785362940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919197 (or 1919195 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 59.

The spelling of 870785362940 in words is "eight hundred seventy billion, seven hundred eighty-five million, three hundred sixty-two thousand, nine hundred forty".