772323513 has 16 divisors (see below), whose sum is σ = 1123019520. Its totient is φ = 469257984.

The previous prime is 772323499. The next prime is 772323523. The reversal of 772323513 is 315323277.

It is not a de Polignac number, because 772323513 - 2¹⁸ = 772061369 is a prime.

It is a super-2 number, since 2×772323513² = 1192967217465322338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (772323523) 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, 122256 + ... + 128417.

It is an arithmetic number, because the mean of its divisors is an integer number (70188720).

Almost surely, 2^772323513 is an apocalyptic number.

It is an amenable number.

772323513 is a deficient number, since it is larger than the sum of its proper divisors (350696007).

772323513 is a wasteful number, since it uses less digits than its factorization.

772323513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250768.

The product of its digits is 26460, while the sum is 33.

The square root of 772323513 is about 27790.7091129392. The cubic root of 772323513 is about 917.4866470201.

The spelling of 772323513 in words is "seven hundred seventy-two million, three hundred twenty-three thousand, five hundred thirteen".