772116191732 has 12 divisors (see below), whose sum is σ = 1352873555460. Its totient is φ = 385580890176.

The previous prime is 772116191729. The next prime is 772116191767. The reversal of 772116191732 is 237191611277.

It can be written as a sum of positive squares in 2 ways, for example, as 252673107556 + 519443084176 = 502666^2 + 720724^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119297783 + ... + 119304254.

It is an arithmetic number, because the mean of its divisors is an integer number (112739462955).

Almost surely, 2^772116191732 is an apocalyptic number.

It is an amenable number.

772116191732 is a deficient number, since it is larger than the sum of its proper divisors (580757363728).

772116191732 is a wasteful number, since it uses less digits than its factorization.

772116191732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238602850 (or 238602848 counting only the distinct ones).

The product of its digits is 222264, while the sum is 47.

The spelling of 772116191732 in words is "seven hundred seventy-two billion, one hundred sixteen million, one hundred ninety-one thousand, seven hundred thirty-two".