90863035956 has 480 divisors, whose sum is σ = 323728441344. Its totient is φ = 21492864000.

The previous prime is 90863035903. The next prime is 90863035961. The reversal of 90863035956 is 65953036809.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13144141 + ... + 13151051.

Almost surely, 2^90863035956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90863035956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161864220672).

90863035956 is an abundant number, since it is smaller than the sum of its proper divisors (232865405388).

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

90863035956 is a wasteful number, since it uses less digits than its factorization.

90863035956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6993 (or 6982 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 90863035956 in words is "ninety billion, eight hundred sixty-three million, thirty-five thousand, nine hundred fifty-six".