72412050507777 has 6 divisors (see below), whose sum is σ = 104595184066802. Its totient is φ = 48274700338512.

The previous prime is 72412050507751. The next prime is 72412050507847. The reversal of 72412050507777 is 77770505021427.

It is a happy number.

72412050507777 is a `hidden beast` number, since 7 + 2 + 4 + 12 + 0 + 50 + 507 + 7 + 77 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70280657822736 + 2131392685041 = 8383356^2 + 1459929^2 .

It is not a de Polignac number, because 72412050507777 - 2⁸ = 72412050507521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72412050507077) 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, 4022891694868 + ... + 4022891694885.

Almost surely, 2^{72412050507777} is an apocalyptic number.

It is an amenable number.

72412050507777 is a deficient number, since it is larger than the sum of its proper divisors (32183133559025).

72412050507777 is a wasteful number, since it uses less digits than its factorization.

72412050507777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045783389759 (or 8045783389756 counting only the distinct ones).

The product of its (nonzero) digits is 6722800, while the sum is 54.

The spelling of 72412050507777 in words is "seventy-two trillion, four hundred twelve billion, fifty million, five hundred seven thousand, seven hundred seventy-seven".