90679666 has 64 divisors (see below), whose sum is σ = 189112320. Its totient is φ = 31484160.

The previous prime is 90679663. The next prime is 90679669. The reversal of 90679666 is 66697609.

It is an interprime number because it is at equal distance from previous prime (90679663) and next prime (90679669).

It is not an unprimeable number, because it can be changed into a prime (90679663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48831 + ... + 50653.

It is an arithmetic number, because the mean of its divisors is an integer number (2954880).

Almost surely, 2^90679666 is an apocalyptic number.

90679666 is an abundant number, since it is smaller than the sum of its proper divisors (98432654).

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

90679666 is a wasteful number, since it uses less digits than its factorization.

90679666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 734832, while the sum is 49.

The square root of 90679666 is about 9522.5871484592. The cubic root of 90679666 is about 449.2657424936.

The spelling of 90679666 in words is "ninety million, six hundred seventy-nine thousand, six hundred sixty-six".