77726483913 has 8 divisors (see below), whose sum is σ = 111607259008. Its totient is φ = 47831682384.

The previous prime is 77726483903. The next prime is 77726483917. The reversal of 77726483913 is 31938462777.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77726483913 - 2²⁹ = 77189613001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77726483917) 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, 996493345 + ... + 996493422.

It is an arithmetic number, because the mean of its divisors is an integer number (13950907376).

Almost surely, 2^77726483913 is an apocalyptic number.

It is an amenable number.

77726483913 is a deficient number, since it is larger than the sum of its proper divisors (33880775095).

77726483913 is a wasteful number, since it uses less digits than its factorization.

77726483913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992986783.

The product of its digits is 10668672, while the sum is 57.

The spelling of 77726483913 in words is "seventy-seven billion, seven hundred twenty-six million, four hundred eighty-three thousand, nine hundred thirteen".