872340078 has 8 divisors (see below), whose sum is σ = 1744680168. Its totient is φ = 290780024.

The previous prime is 872340061. The next prime is 872340107. The reversal of 872340078 is 870043278.

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

872340078 is an admirable number.

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, 72695001 + ... + 72695012.

It is an arithmetic number, because the mean of its divisors is an integer number (218085021).

Almost surely, 2^872340078 is an apocalyptic number.

872340078 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.

872340078 is a wasteful number, since it uses less digits than its factorization.

872340078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145390018.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 872340078 is about 29535.4038062797. The cubic root of 872340078 is about 955.4954175952.

The spelling of 872340078 in words is "eight hundred seventy-two million, three hundred forty thousand, seventy-eight".