90776901 has 8 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 60495392.

The previous prime is 90776879. The next prime is 90776921. The reversal of 90776901 is 10967709.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90776901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 90776901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90776921) 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, 9796 + ... + 16658.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^90776901 is an apocalyptic number.

It is an amenable number.

90776901 is a deficient number, since it is larger than the sum of its proper divisors (30304059).

90776901 is a wasteful number, since it uses less digits than its factorization.

90776901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11275.

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 90776901 is about 9527.6912733358. The cubic root of 90776901 is about 449.4262663522.

The spelling of 90776901 in words is "ninety million, seven hundred seventy-six thousand, nine hundred one".