90776699 has 36 divisors (see below), whose sum is σ = 111501936. Its totient is φ = 73313856.

The previous prime is 90776689. The next prime is 90776701. The reversal of 90776699 is 99667709.

It is not a de Polignac number, because 90776699 - 2⁴ = 90776683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90776699.

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 35 ways as a sum of consecutive naturals, for example, 3130217 + ... + 3130245.

It is an arithmetic number, because the mean of its divisors is an integer number (3097276).

Almost surely, 2^90776699 is an apocalyptic number.

90776699 is a deficient number, since it is larger than the sum of its proper divisors (20725237).

90776699 is a wasteful number, since it uses less digits than its factorization.

90776699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 53.

The square root of 90776699 is about 9527.6806726506. The cubic root of 90776699 is about 449.4259329921.

The spelling of 90776699 in words is "ninety million, seven hundred seventy-six thousand, six hundred ninety-nine".