90504679 has 8 divisors (see below), whose sum is σ = 93852000. Its totient is φ = 87172512.

The previous prime is 90504677. The next prime is 90504683. The reversal of 90504679 is 97640509.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 90504679 - 2¹ = 90504677 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 (90504677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9177 + ... + 16285.

It is an arithmetic number, because the mean of its divisors is an integer number (11731500).

Almost surely, 2^90504679 is an apocalyptic number.

90504679 is a deficient number, since it is larger than the sum of its proper divisors (3347321).

90504679 is a wasteful number, since it uses less digits than its factorization.

With its successor (90504680) it forms an eRAP, since the sums of their prime factors are consecutive (7577 and 7578).

90504679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 90504679 is about 9513.3947148218. The cubic root of 90504679 is about 448.9765696608.

The spelling of 90504679 in words is "ninety million, five hundred four thousand, six hundred seventy-nine".