76139240398 has 16 divisors (see below), whose sum is σ = 129467535120. Its totient is φ = 33291651456.

The previous prime is 76139240393. The next prime is 76139240407. The reversal of 76139240398 is 89304293167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76139240393) 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, 77063515 + ... + 77064502.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720945).

Almost surely, 2^76139240398 is an apocalyptic number.

76139240398 is a deficient number, since it is larger than the sum of its proper divisors (53328294722).

76139240398 is a wasteful number, since it uses less digits than its factorization.

76139240398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154128051.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 76139240398 in words is "seventy-six billion, one hundred thirty-nine million, two hundred forty thousand, three hundred ninety-eight".