776029949 has 2 divisors, whose sum is σ = 776029950. Its totient is φ = 776029948.

The previous prime is 776029907. The next prime is 776029963. The reversal of 776029949 is 949920677.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 767677849 + 8352100 = 27707^2 + 2890^2 .

It is a cyclic number.

It is not a de Polignac number, because 776029949 - 2²⁴ = 759252733 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 776029949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (776029249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 388014974 + 388014975.

It is an arithmetic number, because the mean of its divisors is an integer number (388014975).

Almost surely, 2^776029949 is an apocalyptic number.

It is an amenable number.

776029949 is a deficient number, since it is larger than the sum of its proper divisors (1).

776029949 is an equidigital number, since it uses as much as digits as its factorization.

776029949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The square root of 776029949 is about 27857.3141024041. The cubic root of 776029949 is about 918.9520001705.

The spelling of 776029949 in words is "seven hundred seventy-six million, twenty-nine thousand, nine hundred forty-nine".