90470762838544 has 45 divisors (see below), whose sum is σ = 192671839210669. Its totient is φ = 41122883785280.

The previous prime is 90470762838473. The next prime is 90470762838553. The reversal of 90470762838544 is 44583826707409.

The square root of 90470762838544 is 9511612.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 18991989680400 + 71478773158144 = 4357980^2 + 8454512^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90470762838544.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 418402842 + ... + 418619014.

Almost surely, 2^{90470762838544} is an apocalyptic number.

90470762838544 is the 9511612-nd square number.

It is an amenable number.

90470762838544 is an abundant number, since it is smaller than the sum of its proper divisors (102201076372125).

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

90470762838544 is an frugal number, since it uses more digits than its factorization.

90470762838544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432376 (or 216186 counting only the distinct ones).

The product of its (nonzero) digits is 325140480, while the sum is 67.

The spelling of 90470762838544 in words is "ninety trillion, four hundred seventy billion, seven hundred sixty-two million, eight hundred thirty-eight thousand, five hundred forty-four".