78620096985 has 8 divisors (see below), whose sum is σ = 125792155200. Its totient is φ = 41930718384.

The previous prime is 78620096969. The next prime is 78620097011. The reversal of 78620096985 is 58969002687.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78620096985 - 2⁴ = 78620096969 is a prime.

It is a super-2 number, since 2×78620096985² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 2620669885 + ... + 2620669914.

It is an arithmetic number, because the mean of its divisors is an integer number (15724019400).

Almost surely, 2^78620096985 is an apocalyptic number.

It is an amenable number.

78620096985 is a deficient number, since it is larger than the sum of its proper divisors (47172058215).

78620096985 is a wasteful number, since it uses less digits than its factorization.

78620096985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241339807.

The product of its (nonzero) digits is 13063680, while the sum is 60.

The spelling of 78620096985 in words is "seventy-eight billion, six hundred twenty million, ninety-six thousand, nine hundred eighty-five".