90513477 has 24 divisors (see below), whose sum is σ = 135894080. Its totient is φ = 59540400.

The previous prime is 90513463. The next prime is 90513497. The reversal of 90513477 is 77431509.

It is a happy number.

It is not a de Polignac number, because 90513477 - 2¹⁰ = 90512453 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 (90513407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 599352 + ... + 599502.

Almost surely, 2^90513477 is an apocalyptic number.

It is an amenable number.

90513477 is a deficient number, since it is larger than the sum of its proper divisors (45380603).

90513477 is a wasteful number, since it uses less digits than its factorization.

90513477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 90513477 is about 9513.8571042454. The cubic root of 90513477 is about 448.9911175932.

The spelling of 90513477 in words is "ninety million, five hundred thirteen thousand, four hundred seventy-seven".