76983781390 has 16 divisors (see below), whose sum is σ = 144595624608. Its totient is φ = 29454664096.

The previous prime is 76983781363. The next prime is 76983781439. The reversal of 76983781390 is 9318738967.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 167355817 + ... + 167356276.

It is an arithmetic number, because the mean of its divisors is an integer number (9037226538).

Almost surely, 2^76983781390 is an apocalyptic number.

76983781390 is a deficient number, since it is larger than the sum of its proper divisors (67611843218).

76983781390 is a wasteful number, since it uses less digits than its factorization.

76983781390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334712123.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 76983781390 in words is "seventy-six billion, nine hundred eighty-three million, seven hundred eighty-one thousand, three hundred ninety".