90755757 has 12 divisors (see below), whose sum is σ = 134140864. Its totient is φ = 59096520.

The previous prime is 90755737. The next prime is 90755759. The reversal of 90755757 is 75755709.

90755757 is a `hidden beast` number, since 9 + 0 + 75 + 575 + 7 = 666.

It is not a de Polignac number, because 90755757 - 2¹⁰ = 90754733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90755759) 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, 116869 + ... + 117642.

Almost surely, 2^90755757 is an apocalyptic number.

It is an amenable number.

90755757 is a deficient number, since it is larger than the sum of its proper divisors (43385107).

90755757 is a wasteful number, since it uses less digits than its factorization.

90755757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234560 (or 234557 counting only the distinct ones).

The product of its (nonzero) digits is 385875, while the sum is 45.

The square root of 90755757 is about 9526.5816009731. The cubic root of 90755757 is about 449.3913697843.

The spelling of 90755757 in words is "ninety million, seven hundred fifty-five thousand, seven hundred fifty-seven".