78826601074 has 16 divisors (see below), whose sum is σ = 129493506240. Its totient is φ = 35764871760.

The previous prime is 78826601071. The next prime is 78826601129. The reversal of 78826601074 is 47010662887.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (78826601071) 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, 25691622 + ... + 25694689.

It is an arithmetic number, because the mean of its divisors is an integer number (8093344140).

Almost surely, 2^78826601074 is an apocalyptic number.

78826601074 is a deficient number, since it is larger than the sum of its proper divisors (50666905166).

78826601074 is a wasteful number, since it uses less digits than its factorization.

78826601074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51386385.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 78826601074 in words is "seventy-eight billion, eight hundred twenty-six million, six hundred one thousand, seventy-four".