90520084372 has 6 divisors (see below), whose sum is σ = 158410147658. Its totient is φ = 45260042184.

The previous prime is 90520084367. The next prime is 90520084393. The reversal of 90520084372 is 27348002509.

It can be written as a sum of positive squares in only one way, i.e., 68102209296 + 22417875076 = 260964^2 + 149726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11315010543 + ... + 11315010550.

Almost surely, 2^90520084372 is an apocalyptic number.

It is an amenable number.

90520084372 is a deficient number, since it is larger than the sum of its proper divisors (67890063286).

90520084372 is a wasteful number, since it uses less digits than its factorization.

90520084372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22630021097 (or 22630021095 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 90520084372 in words is "ninety billion, five hundred twenty million, eighty-four thousand, three hundred seventy-two".