77913297017 has 8 divisors (see below), whose sum is σ = 82024118400. Its totient is φ = 73803487824.

The previous prime is 77913297001. The next prime is 77913297029. The reversal of 77913297017 is 71079231977.

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

It is not a de Polignac number, because 77913297017 - 2⁴ = 77913297001 is a prime.

It is a super-2 number, since 2×77913297017² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 77913297017.

It is not an unprimeable number, because it can be changed into a prime (77913207017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92417 + ... + 405422.

It is an arithmetic number, because the mean of its divisors is an integer number (10253014800).

Almost surely, 2^77913297017 is an apocalyptic number.

It is an amenable number.

77913297017 is a deficient number, since it is larger than the sum of its proper divisors (4110821383).

77913297017 is a wasteful number, since it uses less digits than its factorization.

77913297017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506095.

The product of its (nonzero) digits is 1166886, while the sum is 53.

The spelling of 77913297017 in words is "seventy-seven billion, nine hundred thirteen million, two hundred ninety-seven thousand, seventeen".