78099877899087 has 8 divisors (see below), whose sum is σ = 113599822398720. Its totient is φ = 47333259332760.

The previous prime is 78099877899083. The next prime is 78099877899089.

78099877899087 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 78099877899087 - 2² = 78099877899083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78099877898985 and 78099877899003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78099877899083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183331483287 + ... + 1183331483352.

It is an arithmetic number, because the mean of its divisors is an integer number (14199977799840).

Almost surely, 2^{78099877899087} is an apocalyptic number.

78099877899087 is a deficient number, since it is larger than the sum of its proper divisors (35499944499633).

78099877899087 is a wasteful number, since it uses less digits than its factorization.

78099877899087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366662966653.

The product of its (nonzero) digits is 64524128256, while the sum is 96.

The spelling of 78099877899087 in words is "seventy-eight trillion, ninety-nine billion, eight hundred seventy-seven million, eight hundred ninety-nine thousand, eighty-seven".