265772220772 has 12 divisors (see below), whose sum is σ = 472725999676. Its totient is φ = 130707649440.

The previous prime is 265772220739. The next prime is 265772220787. The reversal of 265772220772 is 277022277562.

It can be written as a sum of positive squares in 2 ways, for example, as 106135214656 + 159637006116 = 325784^2 + 399546^2 .

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, 544614963 + ... + 544615450.

Almost surely, 2^265772220772 is an apocalyptic number.

It is an amenable number.

265772220772 is a deficient number, since it is larger than the sum of its proper divisors (206953778904).

265772220772 is a wasteful number, since it uses less digits than its factorization.

265772220772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089230478 (or 1089230476 counting only the distinct ones).

The product of its (nonzero) digits is 2304960, while the sum is 49.

The spelling of 265772220772 in words is "two hundred sixty-five billion, seven hundred seventy-two million, two hundred twenty thousand, seven hundred seventy-two".