90759977 has 8 divisors (see below), whose sum is σ = 113155392. Its totient is φ = 70722000.

The previous prime is 90759967. The next prime is 90759989. The reversal of 90759977 is 77995709.

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

It is a cyclic number.

It is not a de Polignac number, because 90759977 - 2²² = 86565673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90759917) 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 in 7 ways as a sum of consecutive naturals, for example, 589274 + ... + 589427.

It is an arithmetic number, because the mean of its divisors is an integer number (14144424).

Almost surely, 2^90759977 is an apocalyptic number.

It is an amenable number.

90759977 is a deficient number, since it is larger than the sum of its proper divisors (22395415).

90759977 is a wasteful number, since it uses less digits than its factorization.

90759977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178719.

The product of its (nonzero) digits is 1250235, while the sum is 53.

The square root of 90759977 is about 9526.8030839311. The cubic root of 90759977 is about 449.3983350070.

It can be divided in two parts, 90 and 759977, that added together give a palindrome (760067).

The spelling of 90759977 in words is "ninety million, seven hundred fifty-nine thousand, nine hundred seventy-seven".