772055879 has 16 divisors (see below), whose sum is σ = 888783168. Its totient is φ = 656957952.

The previous prime is 772055873. The next prime is 772055897. The reversal of 772055879 is 978550277.

It is not a de Polignac number, because 772055879 - 2²⁴ = 755278663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772055873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690629 + ... + 691745.

It is an arithmetic number, because the mean of its divisors is an integer number (55548948).

Almost surely, 2^772055879 is an apocalyptic number.

772055879 is a deficient number, since it is larger than the sum of its proper divisors (116727289).

772055879 is a wasteful number, since it uses less digits than its factorization.

772055879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754.

The product of its (nonzero) digits is 1234800, while the sum is 50.

The square root of 772055879 is about 27785.8935253124. The cubic root of 772055879 is about 917.3806556032.

The spelling of 772055879 in words is "seven hundred seventy-two million, fifty-five thousand, eight hundred seventy-nine".