78642906076 has 48 divisors (see below), whose sum is σ = 162439603200. Its totient is φ = 32609901888.

The previous prime is 78642906031. The next prime is 78642906079. The reversal of 78642906076 is 67060924687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78642906079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26596 + ... + 397483.

It is an arithmetic number, because the mean of its divisors is an integer number (3384158400).

Almost surely, 2^78642906076 is an apocalyptic number.

It is an amenable number.

78642906076 is an abundant number, since it is smaller than the sum of its proper divisors (83796697124).

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

78642906076 is a wasteful number, since it uses less digits than its factorization.

78642906076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424306 (or 424304 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 78642906076 in words is "seventy-eight billion, six hundred forty-two million, nine hundred six thousand, seventy-six".