850978700 has 72 divisors (see below), whose sum is σ = 2169496560. Its totient is φ = 285638400.

The previous prime is 850978699. The next prime is 850978717. The reversal of 850978700 is 7879058.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15455 + ... + 44054.

Almost surely, 2^850978700 is an apocalyptic number.

It is an amenable number.

850978700 is an abundant number, since it is smaller than the sum of its proper divisors (1318517860).

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

850978700 is a wasteful number, since it uses less digits than its factorization.

850978700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59547 (or 59540 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 850978700 is about 29171.5392120471. The cubic root of 850978700 is about 947.6316630015.

The spelling of 850978700 in words is "eight hundred fifty million, nine hundred seventy-eight thousand, seven hundred".