36240720777 has 12 divisors (see below), whose sum is σ = 53085000384. Its totient is φ = 23820191640.

The previous prime is 36240720757. The next prime is 36240720781. The reversal of 36240720777 is 77702704263.

36240720777 is a `hidden beast` number, since 36 + 2 + 407 + 207 + 7 + 7 = 666.

It is not a de Polignac number, because 36240720777 - 2¹⁸ = 36240458633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36240720757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28356733 + ... + 28358010.

It is an arithmetic number, because the mean of its divisors is an integer number (4423750032).

Almost surely, 2^36240720777 is an apocalyptic number.

It is an amenable number.

36240720777 is a deficient number, since it is larger than the sum of its proper divisors (16844279607).

36240720777 is a wasteful number, since it uses less digits than its factorization.

36240720777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56714820 (or 56714817 counting only the distinct ones).

The product of its (nonzero) digits is 691488, while the sum is 45.

The spelling of 36240720777 in words is "thirty-six billion, two hundred forty million, seven hundred twenty thousand, seven hundred seventy-seven".