78102404002 has 8 divisors (see below), whose sum is σ = 133889835456. Its totient is φ = 33472458852.

The previous prime is 78102403999. The next prime is 78102404027. The reversal of 78102404002 is 20040420187.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789371558 + ... + 2789371585.

It is an arithmetic number, because the mean of its divisors is an integer number (16736229432).

Almost surely, 2^78102404002 is an apocalyptic number.

78102404002 is a deficient number, since it is larger than the sum of its proper divisors (55787431454).

78102404002 is a wasteful number, since it uses less digits than its factorization.

78102404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578743152.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 78102404002 its reverse (20040420187), we get a palindrome (98142824189).

The spelling of 78102404002 in words is "seventy-eight billion, one hundred two million, four hundred four thousand, two".