72377362791 has 6 divisors (see below), whose sum is σ = 104545079600. Its totient is φ = 48251575188.

The previous prime is 72377362789. The next prime is 72377362823. The reversal of 72377362791 is 19726377327.

72377362791 is a `hidden beast` number, since 7 + 2 + 3 + 7 + 7 + 3 + 627 + 9 + 1 = 666.

It is not a de Polignac number, because 72377362791 - 2¹ = 72377362789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72377362721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4020964591 + ... + 4020964608.

Almost surely, 2^72377362791 is an apocalyptic number.

72377362791 is a deficient number, since it is larger than the sum of its proper divisors (32167716809).

72377362791 is a wasteful number, since it uses less digits than its factorization.

72377362791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041929205 (or 8041929202 counting only the distinct ones).

The product of its digits is 4667544, while the sum is 54.

The spelling of 72377362791 in words is "seventy-two billion, three hundred seventy-seven million, three hundred sixty-two thousand, seven hundred ninety-one".