90763720577 has 8 divisors (see below), whose sum is σ = 92713631616. Its totient is φ = 88814591632.

The previous prime is 90763720559. The next prime is 90763720591. The reversal of 90763720577 is 77502736709.

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 90763720577 - 2⁶ = 90763720513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90763720547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42143 + ... + 428139.

It is an arithmetic number, because the mean of its divisors is an integer number (11589203952).

Almost surely, 2^90763720577 is an apocalyptic number.

It is an amenable number.

90763720577 is a deficient number, since it is larger than the sum of its proper divisors (1949911039).

90763720577 is a wasteful number, since it uses less digits than its factorization.

90763720577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391047.

The product of its (nonzero) digits is 3889620, while the sum is 53.

The spelling of 90763720577 in words is "ninety billion, seven hundred sixty-three million, seven hundred twenty thousand, five hundred seventy-seven".