772672239 has 6 divisors (see below), whose sum is σ = 1116082136. Its totient is φ = 515114820.

The previous prime is 772672231. The next prime is 772672247. The reversal of 772672239 is 932276277.

It is an interprime number because it is at equal distance from previous prime (772672231) and next prime (772672247).

It is not a de Polignac number, because 772672239 - 2³ = 772672231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 772672194 and 772672203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772672231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42926227 + ... + 42926244.

Almost surely, 2^772672239 is an apocalyptic number.

772672239 is a deficient number, since it is larger than the sum of its proper divisors (343409897).

772672239 is a wasteful number, since it uses less digits than its factorization.

772672239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85852477 (or 85852474 counting only the distinct ones).

The product of its digits is 444528, while the sum is 45.

The square root of 772672239 is about 27796.9825520685. The cubic root of 772672239 is about 917.6247166673.

The spelling of 772672239 in words is "seven hundred seventy-two million, six hundred seventy-two thousand, two hundred thirty-nine".