72772784627 has 2 divisors, whose sum is σ = 72772784628. Its totient is φ = 72772784626.

The previous prime is 72772784573. The next prime is 72772784641. The reversal of 72772784627 is 72648727727.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72772784627 - 2²⁸ = 72504349171 is a prime.

It is not a weakly prime, because it can be changed into another prime (72772784327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36386392313 + 36386392314.

It is an arithmetic number, because the mean of its divisors is an integer number (36386392314).

Almost surely, 2^72772784627 is an apocalyptic number.

72772784627 is a deficient number, since it is larger than the sum of its proper divisors (1).

72772784627 is an equidigital number, since it uses as much as digits as its factorization.

72772784627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25815552, while the sum is 59.

The spelling of 72772784627 in words is "seventy-two billion, seven hundred seventy-two million, seven hundred eighty-four thousand, six hundred twenty-seven".