772493871 has 8 divisors (see below), whose sum is σ = 1030130224. Its totient is φ = 514926720.

The previous prime is 772493863. The next prime is 772493873. The reversal of 772493871 is 178394277.

772493871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 772493871 - 2³ = 772493863 is a prime.

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 772493871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772493873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20631 + ... + 44391.

It is an arithmetic number, because the mean of its divisors is an integer number (128766278).

Almost surely, 2^772493871 is an apocalyptic number.

772493871 is a deficient number, since it is larger than the sum of its proper divisors (257636353).

772493871 is a wasteful number, since it uses less digits than its factorization.

772493871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34601.

The product of its digits is 592704, while the sum is 48.

The square root of 772493871 is about 27793.7739610870. The cubic root of 772493871 is about 917.5541013519.

The spelling of 772493871 in words is "seven hundred seventy-two million, four hundred ninety-three thousand, eight hundred seventy-one".