772661415164 has 6 divisors (see below), whose sum is σ = 1352157476544. Its totient is φ = 386330707580.

The previous prime is 772661415161. The next prime is 772661415167. The reversal of 772661415164 is 461514166277.

It is an interprime number because it is at equal distance from previous prime (772661415161) and next prime (772661415167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772661415161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96582676892 + ... + 96582676899.

It is an arithmetic number, because the mean of its divisors is an integer number (225359579424).

Almost surely, 2^772661415164 is an apocalyptic number.

It is an amenable number.

772661415164 is a deficient number, since it is larger than the sum of its proper divisors (579496061380).

772661415164 is a wasteful number, since it uses less digits than its factorization.

772661415164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193165353795 (or 193165353793 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 50.

The spelling of 772661415164 in words is "seven hundred seventy-two billion, six hundred sixty-one million, four hundred fifteen thousand, one hundred sixty-four".