76438840790 has 32 divisors (see below), whose sum is σ = 148192843680. Its totient is φ = 28219935744.

The previous prime is 76438840759. The next prime is 76438840799. The reversal of 76438840790 is 9704883467.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76438840799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1107782 + ... + 1174758.

It is an arithmetic number, because the mean of its divisors is an integer number (4631026365).

Almost surely, 2^76438840790 is an apocalyptic number.

76438840790 is a deficient number, since it is larger than the sum of its proper divisors (71754002890).

76438840790 is a wasteful number, since it uses less digits than its factorization.

76438840790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75776.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 76438840790 in words is "seventy-six billion, four hundred thirty-eight million, eight hundred forty thousand, seven hundred ninety".