87716393387 has 16 divisors (see below), whose sum is σ = 103494150144. Its totient is φ = 72750960000.

The previous prime is 87716393381. The next prime is 87716393393. The reversal of 87716393387 is 78339361778.

It is an interprime number because it is at equal distance from previous prime (87716393381) and next prime (87716393393).

It is a cyclic number.

It is not a de Polignac number, because 87716393387 - 2⁴ = 87716393371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87716393381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2108387 + ... + 2149587.

It is an arithmetic number, because the mean of its divisors is an integer number (6468384384).

Almost surely, 2^87716393387 is an apocalyptic number.

87716393387 is a deficient number, since it is larger than the sum of its proper divisors (15777756757).

87716393387 is a wasteful number, since it uses less digits than its factorization.

87716393387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51050.

The product of its digits is 32006016, while the sum is 62.

The spelling of 87716393387 in words is "eighty-seven billion, seven hundred sixteen million, three hundred ninety-three thousand, three hundred eighty-seven".