78579364890 has 64 divisors (see below), whose sum is σ = 203126063616. Its totient is φ = 19339886592.

The previous prime is 78579364889. The next prime is 78579364933. The reversal of 78579364890 is 9846397587.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5377434 + ... + 5392026.

It is an arithmetic number, because the mean of its divisors is an integer number (3173844744).

Almost surely, 2^78579364890 is an apocalyptic number.

78579364890 is an abundant number, since it is smaller than the sum of its proper divisors (124546698726).

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

78579364890 is a wasteful number, since it uses less digits than its factorization.

78579364890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28423.

The product of its (nonzero) digits is 91445760, while the sum is 66.

The spelling of 78579364890 in words is "seventy-eight billion, five hundred seventy-nine million, three hundred sixty-four thousand, eight hundred ninety".