52777775277779 has 4 divisors (see below), whose sum is σ = 52778745458376. Its totient is φ = 52776805097184.

The previous prime is 52777775277767. The next prime is 52777775277811. The reversal of 52777775277779 is 97777257777725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52777775277779 is a prime.

It is a super-2 number, since 2×52777775277779² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52777775277779.

It is not an unprimeable number, because it can be changed into a prime (52777775277739) 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, 485008694 + ... + 485117499.

It is an arithmetic number, because the mean of its divisors is an integer number (13194686364594).

Almost surely, 2^{52777775277779} is an apocalyptic number.

52777775277779 is a deficient number, since it is larger than the sum of its proper divisors (970180597).

52777775277779 is an equidigital number, since it uses as much as digits as its factorization.

52777775277779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970180596.

The product of its digits is 36318246300, while the sum is 86.

The spelling of 52777775277779 in words is "fifty-two trillion, seven hundred seventy-seven billion, seven hundred seventy-five million, two hundred seventy-seven thousand, seven hundred seventy-nine".