90000000766 has 16 divisors (see below), whose sum is σ = 148127724864. Its totient is φ = 40754716704.

The previous prime is 90000000749. The next prime is 90000000767. The reversal of 90000000766 is 66700000009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90000000767) 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, 32654646 + ... + 32657401.

It is an arithmetic number, because the mean of its divisors is an integer number (9257982804).

Almost surely, 2^90000000766 is an apocalyptic number.

90000000766 is a deficient number, since it is larger than the sum of its proper divisors (58127724098).

90000000766 is a wasteful number, since it uses less digits than its factorization.

90000000766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65312115.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 90000000766 in words is "ninety billion, seven hundred sixty-six", and thus it is an aban number.