90776630 has 32 divisors (see below), whose sum is σ = 194863104. Its totient is φ = 29769696.

The previous prime is 90776627. The next prime is 90776639. The reversal of 90776630 is 3667709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90776639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26582 + ... + 29801.

It is an arithmetic number, because the mean of its divisors is an integer number (6089472).

Almost surely, 2^90776630 is an apocalyptic number.

90776630 is an abundant number, since it is smaller than the sum of its proper divisors (104086474).

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

90776630 is a wasteful number, since it uses less digits than its factorization.

90776630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56420.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 90776630 is about 9527.6770516218. The cubic root of 90776630 is about 449.4258191215.

The spelling of 90776630 in words is "ninety million, seven hundred seventy-six thousand, six hundred thirty".