72678487627 has 2 divisors, whose sum is σ = 72678487628. Its totient is φ = 72678487626.

The previous prime is 72678487597. The next prime is 72678487631.

72678487627 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72678487627 is a prime.

It is a super-2 number, since 2×72678487627² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (72678437627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36339243813 + 36339243814.

It is an arithmetic number, because the mean of its divisors is an integer number (36339243814).

Almost surely, 2^72678487627 is an apocalyptic number.

72678487627 is a deficient number, since it is larger than the sum of its proper divisors (1).

72678487627 is an equidigital number, since it uses as much as digits as its factorization.

72678487627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 88510464, while the sum is 64.

The spelling of 72678487627 in words is "seventy-two billion, six hundred seventy-eight million, four hundred eighty-seven thousand, six hundred twenty-seven".