78842607561370 has 16 divisors (see below), whose sum is σ = 148086984637440. Its totient is φ = 30165867240784.

The previous prime is 78842607561359. The next prime is 78842607561449. The reversal of 78842607561370 is 7316570624887.

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, 171396972730 + ... + 171396973189.

It is an arithmetic number, because the mean of its divisors is an integer number (9255436539840).

Almost surely, 2^{78842607561370} is an apocalyptic number.

78842607561370 is a deficient number, since it is larger than the sum of its proper divisors (69244377076070).

78842607561370 is a wasteful number, since it uses less digits than its factorization.

78842607561370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342793945949.

The product of its (nonzero) digits is 94832640, while the sum is 64.

The spelling of 78842607561370 in words is "seventy-eight trillion, eight hundred forty-two billion, six hundred seven million, five hundred sixty-one thousand, three hundred seventy".