90737805725 has 48 divisors (see below), whose sum is σ = 130263745920. Its totient is φ = 61411046400.

The previous prime is 90737805667. The next prime is 90737805877. The reversal of 90737805725 is 52750873709.

It is not a de Polignac number, because 90737805725 - 2¹⁸ = 90737543581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19185161 + ... + 19189889.

It is an arithmetic number, because the mean of its divisors is an integer number (2713828040).

Almost surely, 2^90737805725 is an apocalyptic number.

It is an amenable number.

90737805725 is a deficient number, since it is larger than the sum of its proper divisors (39525940195).

90737805725 is a wasteful number, since it uses less digits than its factorization.

90737805725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 6145 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 90737805725 in words is "ninety billion, seven hundred thirty-seven million, eight hundred five thousand, seven hundred twenty-five".