78970484140 has 48 divisors (see below), whose sum is σ = 168251598144. Its totient is φ = 31128876800.

The previous prime is 78970484119. The next prime is 78970484209. The reversal of 78970484140 is 4148407987.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3369342 + ... + 3392698.

It is an arithmetic number, because the mean of its divisors is an integer number (3505241628).

Almost surely, 2^78970484140 is an apocalyptic number.

It is an amenable number.

78970484140 is an abundant number, since it is smaller than the sum of its proper divisors (89281114004).

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

78970484140 is a wasteful number, since it uses less digits than its factorization.

78970484140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25818 (or 25816 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 52.

The spelling of 78970484140 in words is "seventy-eight billion, nine hundred seventy million, four hundred eighty-four thousand, one hundred forty".