87874791313 has 8 divisors (see below), whose sum is σ = 90031092480. Its totient is φ = 85719109920.

The previous prime is 87874791299. The next prime is 87874791353. The reversal of 87874791313 is 31319747878.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87874791313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87874791353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138856 + ... + 441622.

It is an arithmetic number, because the mean of its divisors is an integer number (11253886560).

Almost surely, 2^87874791313 is an apocalyptic number.

It is an amenable number.

87874791313 is a deficient number, since it is larger than the sum of its proper divisors (2156301167).

87874791313 is a wasteful number, since it uses less digits than its factorization.

87874791313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309887.

The product of its digits is 7112448, while the sum is 58.

The spelling of 87874791313 in words is "eighty-seven billion, eight hundred seventy-four million, seven hundred ninety-one thousand, three hundred thirteen".