776352131 has 2 divisors, whose sum is σ = 776352132. Its totient is φ = 776352130.

The previous prime is 776352119. The next prime is 776352151. The reversal of 776352131 is 131253677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 776352131 - 2¹⁸ = 776089987 is a prime.

It is a super-2 number, since 2×776352131² = 1205445262616482322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 776352091 and 776352100.

It is not a weakly prime, because it can be changed into another prime (776352151) 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 as a sum of consecutive naturals, namely, 388176065 + 388176066.

It is an arithmetic number, because the mean of its divisors is an integer number (388176066).

Almost surely, 2^776352131 is an apocalyptic number.

776352131 is a deficient number, since it is larger than the sum of its proper divisors (1).

776352131 is an equidigital number, since it uses as much as digits as its factorization.

776352131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 35.

The square root of 776352131 is about 27863.0962206285. The cubic root of 776352131 is about 919.0791554134.

The spelling of 776352131 in words is "seven hundred seventy-six million, three hundred fifty-two thousand, one hundred thirty-one".