90001377 has 12 divisors (see below), whose sum is σ = 130084864. Its totient is φ = 59962680.

The previous prime is 90001363. The next prime is 90001391. The reversal of 90001377 is 77310009.

It is an interprime number because it is at equal distance from previous prime (90001363) and next prime (90001391).

It is not a de Polignac number, because 90001377 - 2⁶ = 90001313 is a prime.

It is a super-2 number, since 2×90001377² = 16200495723792258, which contains 22 as substring.

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 90001377.

It is not an unprimeable number, because it can be changed into a prime (90001337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23328 + ... + 26910.

Almost surely, 2^90001377 is an apocalyptic number.

It is an amenable number.

90001377 is a deficient number, since it is larger than the sum of its proper divisors (40083487).

90001377 is a wasteful number, since it uses less digits than its factorization.

90001377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380 (or 6377 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 90001377 is about 9486.9055544998. The cubic root of 90001377 is about 448.1427601605.

The spelling of 90001377 in words is "ninety million, one thousand, three hundred seventy-seven".