772555252052 has 6 divisors (see below), whose sum is σ = 1351971691098. Its totient is φ = 386277626024.

The previous prime is 772555252019. The next prime is 772555252069. The reversal of 772555252052 is 250252555277.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 414226108816 + 358329143236 = 643604^2 + 598606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 772555251988 and 772555252006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96569406503 + ... + 96569406510.

It is an arithmetic number, because the mean of its divisors is an integer number (225328615183).

Almost surely, 2^772555252052 is an apocalyptic number.

It is an amenable number.

772555252052 is a deficient number, since it is larger than the sum of its proper divisors (579416439046).

772555252052 is a wasteful number, since it uses less digits than its factorization.

772555252052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193138813017 (or 193138813015 counting only the distinct ones).

The product of its (nonzero) digits is 2450000, while the sum is 47.

The spelling of 772555252052 in words is "seven hundred seventy-two billion, five hundred fifty-five million, two hundred fifty-two thousand, fifty-two".