90078944602516 has 48 divisors (see below), whose sum is σ = 161982197052480. Its totient is φ = 43814352798720.

The previous prime is 90078944602501. The next prime is 90078944602531. The reversal of 90078944602516 is 61520644987009.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (90078944602501) and next prime (90078944602531).

It is a super-2 number, since 2×90078944602516² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193044126 + ... + 193510186.

It is an arithmetic number, because the mean of its divisors is an integer number (3374629105260).

Almost surely, 2^{90078944602516} is an apocalyptic number.

It is an amenable number.

90078944602516 is a deficient number, since it is larger than the sum of its proper divisors (71903252449964).

90078944602516 is a wasteful number, since it uses less digits than its factorization.

90078944602516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474664 (or 474662 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 90078944602516 in words is "ninety trillion, seventy-eight billion, nine hundred forty-four million, six hundred two thousand, five hundred sixteen".