39247248772 has 12 divisors (see below), whose sum is σ = 68684587776. Its totient is φ = 19623080840.

The previous prime is 39247248769. The next prime is 39247248841. The reversal of 39247248772 is 27784274293.

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, 56997 + ... + 285907.

It is an arithmetic number, because the mean of its divisors is an integer number (5723715648).

Almost surely, 2^39247248772 is an apocalyptic number.

It is an amenable number.

39247248772 is a deficient number, since it is larger than the sum of its proper divisors (29437339004).

39247248772 is a wasteful number, since it uses less digits than its factorization.

39247248772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271778 (or 271776 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 55.

The spelling of 39247248772 in words is "thirty-nine billion, two hundred forty-seven million, two hundred forty-eight thousand, seven hundred seventy-two".