772191016 has 16 divisors (see below), whose sum is σ = 1452159540. Its totient is φ = 384948480.

The previous prime is 772191011. The next prime is 772191031. The reversal of 772191016 is 610191277.

It can be written as a sum of positive squares in 2 ways, for example, as 726086916 + 46104100 = 26946^2 + 6790^2 .

It is a super-2 number, since 2×772191016² = 1192557930382224512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (772191011) 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 in 3 ways as a sum of consecutive naturals, for example, 140515 + ... + 145906.

Almost surely, 2^772191016 is an apocalyptic number.

It is an amenable number.

772191016 is a deficient number, since it is larger than the sum of its proper divisors (679968524).

772191016 is a wasteful number, since it uses less digits than its factorization.

772191016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286764 (or 286760 counting only the distinct ones).

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 772191016 is about 27788.3251744325. The cubic root of 772191016 is about 917.4341771339.

The spelling of 772191016 in words is "seven hundred seventy-two million, one hundred ninety-one thousand, sixteen".