772250405871 has 16 divisors (see below), whose sum is σ = 1245983848704. Its totient is φ = 415327949184.

The previous prime is 772250405863. The next prime is 772250405879. The reversal of 772250405871 is 178504052277.

It is an interprime number because it is at equal distance from previous prime (772250405863) and next prime (772250405879).

It is not a de Polignac number, because 772250405871 - 2³ = 772250405863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 772250405871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772250405879) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1081582845 + ... + 1081583558.

It is an arithmetic number, because the mean of its divisors is an integer number (77873990544).

Almost surely, 2^772250405871 is an apocalyptic number.

772250405871 is a deficient number, since it is larger than the sum of its proper divisors (473733442833).

772250405871 is a wasteful number, since it uses less digits than its factorization.

772250405871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163166430.

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 772250405871 in words is "seven hundred seventy-two billion, two hundred fifty million, four hundred five thousand, eight hundred seventy-one".