87519734097 has 4 divisors (see below), whose sum is σ = 116692978800. Its totient is φ = 58346489396.

The previous prime is 87519734083. The next prime is 87519734117. The reversal of 87519734097 is 79043791578.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87519734097 - 2⁸ = 87519733841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87519734097.

It is not an unprimeable number, because it can be changed into a prime (87519734077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14586622347 + ... + 14586622352.

It is an arithmetic number, because the mean of its divisors is an integer number (29173244700).

Almost surely, 2^87519734097 is an apocalyptic number.

It is an amenable number.

87519734097 is a deficient number, since it is larger than the sum of its proper divisors (29173244703).

87519734097 is a wasteful number, since it uses less digits than its factorization.

87519734097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29173244702.

The product of its (nonzero) digits is 13335840, while the sum is 60.

The spelling of 87519734097 in words is "eighty-seven billion, five hundred nineteen million, seven hundred thirty-four thousand, ninety-seven".