72346495877 has 2 divisors, whose sum is σ = 72346495878. Its totient is φ = 72346495876.

The previous prime is 72346495867. The next prime is 72346495919. The reversal of 72346495877 is 77859464327.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56477047201 + 15869448676 = 237649^2 + 125974^2 .

It is an emirp because it is prime and its reverse (77859464327) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 72346495877 - 2¹⁰ = 72346494853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72346495867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36173247938 + 36173247939.

It is an arithmetic number, because the mean of its divisors is an integer number (36173247939).

Almost surely, 2^72346495877 is an apocalyptic number.

It is an amenable number.

72346495877 is a deficient number, since it is larger than the sum of its proper divisors (1).

72346495877 is an equidigital number, since it uses as much as digits as its factorization.

72346495877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71124480, while the sum is 62.

The spelling of 72346495877 in words is "seventy-two billion, three hundred forty-six million, four hundred ninety-five thousand, eight hundred seventy-seven".