90277393725 has 360 divisors, whose sum is σ = 195672565440. Its totient is φ = 40947793920.

The previous prime is 90277393699. The next prime is 90277393741. The reversal of 90277393725 is 52739377209.

It is not a de Polignac number, because 90277393725 - 2⁸ = 90277393469 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 255743149 + ... + 255743501.

It is an arithmetic number, because the mean of its divisors is an integer number (543534904).

Almost surely, 2^90277393725 is an apocalyptic number.

90277393725 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

90277393725 is an abundant number, since it is smaller than the sum of its proper divisors (105395171715).

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

90277393725 is a wasteful number, since it uses less digits than its factorization.

90277393725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 5000940, while the sum is 54.

The spelling of 90277393725 in words is "ninety billion, two hundred seventy-seven million, three hundred ninety-three thousand, seven hundred twenty-five".