90948472812 has 60 divisors (see below), whose sum is σ = 238184598960. Its totient is φ = 30261669984.

The previous prime is 90948472807. The next prime is 90948472837. The reversal of 90948472812 is 21827484909.

90948472812 is a `hidden beast` number, since 9 + 0 + 94 + 8 + 472 + 81 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 71512 + ... + 432447.

It is an arithmetic number, because the mean of its divisors is an integer number (3969743316).

Almost surely, 2^90948472812 is an apocalyptic number.

It is an amenable number.

90948472812 is an abundant number, since it is smaller than the sum of its proper divisors (147236126148).

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

90948472812 is a wasteful number, since it uses less digits than its factorization.

90948472812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504532 (or 504521 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 90948472812 in words is "ninety billion, nine hundred forty-eight million, four hundred seventy-two thousand, eight hundred twelve".