10387800772 has 6 divisors (see below), whose sum is σ = 18178651358. Its totient is φ = 5193900384.

The previous prime is 10387800767. The next prime is 10387800781. The reversal of 10387800772 is 27700878301.

It can be written as a sum of positive squares in only one way, i.e., 7324621056 + 3063179716 = 85584^2 + 55346^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1298475093 + ... + 1298475100.

Almost surely, 2^10387800772 is an apocalyptic number.

It is an amenable number.

10387800772 is a deficient number, since it is larger than the sum of its proper divisors (7790850586).

10387800772 is a wasteful number, since it uses less digits than its factorization.

10387800772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596950197 (or 2596950195 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 43.

The spelling of 10387800772 in words is "ten billion, three hundred eighty-seven million, eight hundred thousand, seven hundred seventy-two".