920366648977 has 4 divisors (see below), whose sum is σ = 920518857216. Its totient is φ = 920214440740.

The previous prime is 920366648939. The next prime is 920366649047. The reversal of 920366648977 is 779846663029.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 920366648977 - 2²³ = 920358260369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (920366658977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76095049 + ... + 76107142.

It is an arithmetic number, because the mean of its divisors is an integer number (230129714304).

Almost surely, 2^920366648977 is an apocalyptic number.

It is an amenable number.

920366648977 is a deficient number, since it is larger than the sum of its proper divisors (152208239).

920366648977 is a wasteful number, since it uses less digits than its factorization.

920366648977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152208238.

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 920366648977 in words is "nine hundred twenty billion, three hundred sixty-six million, six hundred forty-eight thousand, nine hundred seventy-seven".