772196616 has 24 divisors (see below), whose sum is σ = 2091366030. Its totient is φ = 257398848.

The previous prime is 772196603. The next prime is 772196629. The reversal of 772196616 is 616691277.

It is a happy number.

772196616 is a `hidden beast` number, since 7 + 7 + 21 + 9 + 6 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (772196603) and next prime (772196629).

It can be written as a sum of positive squares in only one way, i.e., 764743716 + 7452900 = 27654^2 + 2730^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×772196616² = 1192575227523702912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5362405 + ... + 5362548.

Almost surely, 2^772196616 is an apocalyptic number.

It is an amenable number.

772196616 is an abundant number, since it is smaller than the sum of its proper divisors (1319169414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

772196616 is a wasteful number, since it uses less digits than its factorization.

772196616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10724965 (or 10724958 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 772196616 is about 27788.4259359900. The cubic root of 772196616 is about 917.4363949007.

The spelling of 772196616 in words is "seven hundred seventy-two million, one hundred ninety-six thousand, six hundred sixteen".