87701637607 has 2 divisors, whose sum is σ = 87701637608. Its totient is φ = 87701637606.

The previous prime is 87701637601. The next prime is 87701637619. The reversal of 87701637607 is 70673610778.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87701637607 - 2¹⁹ = 87701113319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87701637601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43850818803 + 43850818804.

It is an arithmetic number, because the mean of its divisors is an integer number (43850818804).

Almost surely, 2^87701637607 is an apocalyptic number.

87701637607 is a deficient number, since it is larger than the sum of its proper divisors (1).

87701637607 is an equidigital number, since it uses as much as digits as its factorization.

87701637607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 87701637607 in words is "eighty-seven billion, seven hundred one million, six hundred thirty-seven thousand, six hundred seven".