771371012 has 12 divisors (see below), whose sum is σ = 1350415836. Its totient is φ = 385537920.

The previous prime is 771371009. The next prime is 771371053. The reversal of 771371012 is 210173177.

It can be written as a sum of positive squares in 2 ways, for example, as 712142596 + 59228416 = 26686^2 + 7696^2 .

It is an unprimeable number.

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, 24689 + ... + 46392.

It is an arithmetic number, because the mean of its divisors is an integer number (112534653).

Almost surely, 2^771371012 is an apocalyptic number.

It is an amenable number.

771371012 is a deficient number, since it is larger than the sum of its proper divisors (579044824).

771371012 is a wasteful number, since it uses less digits than its factorization.

771371012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73798 (or 73796 counting only the distinct ones).

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 771371012 is about 27773.5667857047. The cubic root of 771371012 is about 917.1093153098.

The spelling of 771371012 in words is "seven hundred seventy-one million, three hundred seventy-one thousand, twelve".