102678246909599 has 4 divisors (see below), whose sum is σ = 102679034214480. Its totient is φ = 102677459604720.

The previous prime is 102678246909583. The next prime is 102678246909607. The reversal of 102678246909599 is 995909642876201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102678246909599 - 2⁴ = 102678246909583 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 (102678246900599) 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, 393456782 + ... + 393717659.

It is an arithmetic number, because the mean of its divisors is an integer number (25669758553620).

Almost surely, 2^{102678246909599} is an apocalyptic number.

102678246909599 is a deficient number, since it is larger than the sum of its proper divisors (787304881).

102678246909599 is an equidigital number, since it uses as much as digits as its factorization.

102678246909599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787304880.

The product of its (nonzero) digits is 1058158080, while the sum is 77.

The spelling of 102678246909599 in words is "one hundred two trillion, six hundred seventy-eight billion, two hundred forty-six million, nine hundred nine thousand, five hundred ninety-nine".