78743128354 has 32 divisors (see below), whose sum is σ = 129200702400. Its totient is φ = 35695718400.

The previous prime is 78743128337. The next prime is 78743128369. The reversal of 78743128354 is 45382134787.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14790337 + ... + 14795659.

It is an arithmetic number, because the mean of its divisors is an integer number (4037521950).

Almost surely, 2^78743128354 is an apocalyptic number.

78743128354 is a deficient number, since it is larger than the sum of its proper divisors (50457574046).

78743128354 is a wasteful number, since it uses less digits than its factorization.

78743128354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7026.

The product of its digits is 4515840, while the sum is 52.

The spelling of 78743128354 in words is "seventy-eight billion, seven hundred forty-three million, one hundred twenty-eight thousand, three hundred fifty-four".