92772281999561 has 4 divisors (see below), whose sum is σ = 92772346506624. Its totient is φ = 92772217492500.

The previous prime is 92772281999539. The next prime is 92772281999603. The reversal of 92772281999561 is 16599918227729.

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 92772281999561 - 2¹⁰ = 92772281998537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92772281999531) 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, 30045905 + ... + 32989406.

It is an arithmetic number, because the mean of its divisors is an integer number (23193086626656).

Almost surely, 2^{92772281999561} is an apocalyptic number.

It is an amenable number.

92772281999561 is a deficient number, since it is larger than the sum of its proper divisors (64507063).

92772281999561 is a wasteful number, since it uses less digits than its factorization.

92772281999561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64507062.

The product of its digits is 617258880, while the sum is 77.

The spelling of 92772281999561 in words is "ninety-two trillion, seven hundred seventy-two billion, two hundred eighty-one million, nine hundred ninety-nine thousand, five hundred sixty-one".