90078036044284 has 24 divisors (see below), whose sum is σ = 159244795246320. Its totient is φ = 44581417942656.

The previous prime is 90078036044267. The next prime is 90078036044303. The reversal of 90078036044284 is 48244063087009.

It is a super-2 number, since 2×90078036044284² (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 7 ways as a sum of consecutive naturals, for example, 236662839 + ... + 237043150.

It is an arithmetic number, because the mean of its divisors is an integer number (6635199801930).

Almost surely, 2^{90078036044284} is an apocalyptic number.

It is an amenable number.

90078036044284 is a deficient number, since it is larger than the sum of its proper divisors (69166759202036).

90078036044284 is a wasteful number, since it uses less digits than its factorization.

90078036044284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473706477 (or 473706475 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 55.

The spelling of 90078036044284 in words is "ninety trillion, seventy-eight billion, thirty-six million, forty-four thousand, two hundred eighty-four".