87979462739 has 8 divisors (see below), whose sum is σ = 102445089120. Its totient is φ = 73988119296.

The previous prime is 87979462709. The next prime is 87979462751. The reversal of 87979462739 is 93726497978.

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

It is a de Polignac number, because none of the positive numbers 2^k-87979462739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87979462709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118570334 + ... + 118571075.

It is an arithmetic number, because the mean of its divisors is an integer number (12805636140).

Almost surely, 2^87979462739 is an apocalyptic number.

87979462739 is a deficient number, since it is larger than the sum of its proper divisors (14465626381).

87979462739 is a wasteful number, since it uses less digits than its factorization.

87979462739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237141469.

The product of its digits is 288054144, while the sum is 71.

The spelling of 87979462739 in words is "eighty-seven billion, nine hundred seventy-nine million, four hundred sixty-two thousand, seven hundred thirty-nine".