90677816 has 8 divisors (see below), whose sum is σ = 170020920. Its totient is φ = 45338904.

The previous prime is 90677803. The next prime is 90677819. The reversal of 90677816 is 61877609.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90677819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5667356 + ... + 5667371.

It is an arithmetic number, because the mean of its divisors is an integer number (21252615).

Almost surely, 2^90677816 is an apocalyptic number.

It is an amenable number.

90677816 is a deficient number, since it is larger than the sum of its proper divisors (79343104).

90677816 is a wasteful number, since it uses less digits than its factorization.

90677816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334733 (or 11334729 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 90677816 is about 9522.4900104962. The cubic root of 90677816 is about 449.2626872431.

The spelling of 90677816 in words is "ninety million, six hundred seventy-seven thousand, eight hundred sixteen".