52790251687 has 2 divisors, whose sum is σ = 52790251688. Its totient is φ = 52790251686.

The previous prime is 52790251627. The next prime is 52790251721. The reversal of 52790251687 is 78615209725.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52790251687 - 2¹⁵ = 52790218919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52790251627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26395125843 + 26395125844.

It is an arithmetic number, because the mean of its divisors is an integer number (26395125844).

Almost surely, 2^52790251687 is an apocalyptic number.

52790251687 is a deficient number, since it is larger than the sum of its proper divisors (1).

52790251687 is an equidigital number, since it uses as much as digits as its factorization.

52790251687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 52.

The spelling of 52790251687 in words is "fifty-two billion, seven hundred ninety million, two hundred fifty-one thousand, six hundred eighty-seven".