11777604879 has 32 divisors (see below), whose sum is σ = 17682900480. Its totient is φ = 6928699392.

The previous prime is 11777604863. The next prime is 11777604887. The reversal of 11777604879 is 97840677711.

It is not a de Polignac number, because 11777604879 - 2⁴ = 11777604863 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11777654879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31342 + ... + 156644.

It is an arithmetic number, because the mean of its divisors is an integer number (552590640).

Almost surely, 2^11777604879 is an apocalyptic number.

11777604879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11777604879 is a deficient number, since it is larger than the sum of its proper divisors (5905295601).

11777604879 is a wasteful number, since it uses less digits than its factorization.

11777604879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125439.

The product of its (nonzero) digits is 4148928, while the sum is 57.

The spelling of 11777604879 in words is "eleven billion, seven hundred seventy-seven million, six hundred four thousand, eight hundred seventy-nine".