79730678 has 8 divisors (see below), whose sum is σ = 120456840. Its totient is φ = 39578400.

The previous prime is 79730641. The next prime is 79730699. The reversal of 79730678 is 87603797.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143123 + ... + 143678.

It is an arithmetic number, because the mean of its divisors is an integer number (15057105).

Almost surely, 2^79730678 is an apocalyptic number.

79730678 is a deficient number, since it is larger than the sum of its proper divisors (40726162).

79730678 is a wasteful number, since it uses less digits than its factorization.

79730678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286942.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 79730678 is about 8929.2036599016. The cubic root of 79730678 is about 430.4028638337.

It can be divided in two parts, 79730 and 678, that added together give a palindrome (80408).

The spelling of 79730678 in words is "seventy-nine million, seven hundred thirty thousand, six hundred seventy-eight".