78743162874 has 16 divisors (see below), whose sum is σ = 157489103520. Its totient is φ = 26247258000.

The previous prime is 78743162819. The next prime is 78743162879. The reversal of 78743162874 is 47826134787.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (78743162879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529392 + ... + 661620.

It is an arithmetic number, because the mean of its divisors is an integer number (9843068970).

Almost surely, 2^78743162874 is an apocalyptic number.

78743162874 is an abundant number, since it is smaller than the sum of its proper divisors (78745940646).

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

78743162874 is a wasteful number, since it uses less digits than its factorization.

78743162874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231485.

The product of its digits is 12644352, while the sum is 57.

The spelling of 78743162874 in words is "seventy-eight billion, seven hundred forty-three million, one hundred sixty-two thousand, eight hundred seventy-four".