78966100670 has 32 divisors (see below), whose sum is σ = 147708921600. Its totient is φ = 30362353920.

The previous prime is 78966100667. The next prime is 78966100673. The reversal of 78966100670 is 7600166987.

It is an interprime number because it is at equal distance from previous prime (78966100667) and next prime (78966100673).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78966100673) 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, 808607 + ... + 900986.

It is an arithmetic number, because the mean of its divisors is an integer number (4615903800).

Almost surely, 2^78966100670 is an apocalyptic number.

78966100670 is a deficient number, since it is larger than the sum of its proper divisors (68742820930).

78966100670 is a wasteful number, since it uses less digits than its factorization.

78966100670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709780.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 78966100670 in words is "seventy-eight billion, nine hundred sixty-six million, one hundred thousand, six hundred seventy".