679200078 has 8 divisors (see below), whose sum is σ = 1358400168. Its totient is φ = 226400024.

The previous prime is 679200061. The next prime is 679200107. The reversal of 679200078 is 870002976.

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

679200078 is an admirable number.

It is a super-2 number, since 2×679200078² = 922625491910412168, which contains 22 as substring.

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, 56600001 + ... + 56600012.

It is an arithmetic number, because the mean of its divisors is an integer number (169800021).

Almost surely, 2^679200078 is an apocalyptic number.

679200078 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

679200078 is a wasteful number, since it uses less digits than its factorization.

679200078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113200018.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 679200078 is about 26061.4673032813. The cubic root of 679200078 is about 879.0209833713.

The spelling of 679200078 in words is "six hundred seventy-nine million, two hundred thousand, seventy-eight".