87518150791 has 2 divisors, whose sum is σ = 87518150792. Its totient is φ = 87518150790.

The previous prime is 87518150729. The next prime is 87518150809. The reversal of 87518150791 is 19705181578.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87518150791 - 2⁷ = 87518150663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87518150591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43759075395 + 43759075396.

It is an arithmetic number, because the mean of its divisors is an integer number (43759075396).

Almost surely, 2^87518150791 is an apocalyptic number.

87518150791 is a deficient number, since it is larger than the sum of its proper divisors (1).

87518150791 is an equidigital number, since it uses as much as digits as its factorization.

87518150791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 52.

The spelling of 87518150791 in words is "eighty-seven billion, five hundred eighteen million, one hundred fifty thousand, seven hundred ninety-one".