72622552687 has 2 divisors, whose sum is σ = 72622552688. Its totient is φ = 72622552686.

The previous prime is 72622552627. The next prime is 72622552703. The reversal of 72622552687 is 78625522627.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 72622552687 - 2¹¹ = 72622550639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72622552627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36311276343 + 36311276344.

It is an arithmetic number, because the mean of its divisors is an integer number (36311276344).

Almost surely, 2^72622552687 is an apocalyptic number.

72622552687 is a deficient number, since it is larger than the sum of its proper divisors (1).

72622552687 is an equidigital number, since it uses as much as digits as its factorization.

72622552687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 52.

The spelling of 72622552687 in words is "seventy-two billion, six hundred twenty-two million, five hundred fifty-two thousand, six hundred eighty-seven".