78802882278 has 16 divisors (see below), whose sum is σ = 158102947440. Its totient is φ = 26184763616.

The previous prime is 78802882163. The next prime is 78802882283. The reversal of 78802882278 is 87228820887.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20713893 + ... + 20717696.

It is an arithmetic number, because the mean of its divisors is an integer number (9881434215).

Almost surely, 2^78802882278 is an apocalyptic number.

78802882278 is an abundant number, since it is smaller than the sum of its proper divisors (79300065162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78802882278 is a wasteful number, since it uses less digits than its factorization.

78802882278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41431911.

The product of its (nonzero) digits is 12845056, while the sum is 60.

The spelling of 78802882278 in words is "seventy-eight billion, eight hundred two million, eight hundred eighty-two thousand, two hundred seventy-eight".