772819995 has 16 divisors (see below), whose sum is σ = 1247457312. Its totient is φ = 408522240.

The previous prime is 772819981. The next prime is 772819997. The reversal of 772819995 is 599918277.

It is not a de Polignac number, because 772819995 - 2⁴ = 772819979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (772819997) 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, 226276 + ... + 229665.

It is an arithmetic number, because the mean of its divisors is an integer number (77966082).

Almost surely, 2^772819995 is an apocalyptic number.

772819995 is a deficient number, since it is larger than the sum of its proper divisors (474637317).

772819995 is a wasteful number, since it uses less digits than its factorization.

772819995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456062.

The product of its digits is 2857680, while the sum is 57.

The square root of 772819995 is about 27799.6401955133. The cubic root of 772819995 is about 917.6832045613.

The spelling of 772819995 in words is "seven hundred seventy-two million, eight hundred nineteen thousand, nine hundred ninety-five".