69432840078 has 32 divisors (see below), whose sum is σ = 158798883840. Its totient is φ = 19826048160.

The previous prime is 69432840049. The next prime is 69432840079. The reversal of 69432840078 is 87004823496.

It is a self number, because there is not a number n which added to its sum of digits gives 69432840078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69432840079) 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, 425158 + ... + 565353.

It is an arithmetic number, because the mean of its divisors is an integer number (4962465120).

Almost surely, 2^69432840078 is an apocalyptic number.

69432840078 is an abundant number, since it is smaller than the sum of its proper divisors (89366043762).

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

69432840078 is a wasteful number, since it uses less digits than its factorization.

69432840078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992192.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 69432840078 in words is "sixty-nine billion, four hundred thirty-two million, eight hundred forty thousand, seventy-eight".