90078020376 has 16 divisors (see below), whose sum is σ = 225195051000. Its totient is φ = 30026006784.

The previous prime is 90078020323. The next prime is 90078020393. The reversal of 90078020376 is 67302087009.

It is a super-2 number, since 2×90078020376² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 1876625401 + ... + 1876625448.

Almost surely, 2^90078020376 is an apocalyptic number.

It is an amenable number.

90078020376 is an abundant number, since it is smaller than the sum of its proper divisors (135117030624).

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

90078020376 is a wasteful number, since it uses less digits than its factorization.

90078020376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753250858 (or 3753250854 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 90078020376 in words is "ninety billion, seventy-eight million, twenty thousand, three hundred seventy-six".