87979094399 has 8 divisors (see below), whose sum is σ = 106462097568. Its totient is φ = 70974731520.

The previous prime is 87979094383. The next prime is 87979094513. The reversal of 87979094399 is 99349097978.

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

It is not a de Polignac number, because 87979094399 - 2⁴ = 87979094383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87979094899) 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, 369659942 + ... + 369660179.

It is an arithmetic number, because the mean of its divisors is an integer number (13307762196).

Almost surely, 2^87979094399 is an apocalyptic number.

87979094399 is a deficient number, since it is larger than the sum of its proper divisors (18483003169).

87979094399 is a wasteful number, since it uses less digits than its factorization.

87979094399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739320145.

The product of its (nonzero) digits is 277766496, while the sum is 74.

The spelling of 87979094399 in words is "eighty-seven billion, nine hundred seventy-nine million, ninety-four thousand, three hundred ninety-nine".