85622757912 has 32 divisors (see below), whose sum is σ = 237840994800. Its totient is φ = 28540919232.

The previous prime is 85622757911. The next prime is 85622757931. The reversal of 85622757912 is 21975722658.

85622757912 is a `hidden beast` number, since 8 + 5 + 62 + 2 + 7 + 579 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85622757911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198200613 + ... + 198201044.

Almost surely, 2^85622757912 is an apocalyptic number.

It is an amenable number.

85622757912 is an abundant number, since it is smaller than the sum of its proper divisors (152218236888).

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

85622757912 is a wasteful number, since it uses less digits than its factorization.

85622757912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396401672 (or 396401662 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The spelling of 85622757912 in words is "eighty-five billion, six hundred twenty-two million, seven hundred fifty-seven thousand, nine hundred twelve".