77716247941 has 8 divisors (see below), whose sum is σ = 82725753600. Its totient is φ = 72798660000.

The previous prime is 77716247879. The next prime is 77716248007. The reversal of 77716247941 is 14974261777.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77716247941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77716245941) 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, 22977685 + ... + 22981066.

It is an arithmetic number, because the mean of its divisors is an integer number (10340719200).

Almost surely, 2^77716247941 is an apocalyptic number.

It is an amenable number.

77716247941 is a deficient number, since it is larger than the sum of its proper divisors (5009505659).

77716247941 is a wasteful number, since it uses less digits than its factorization.

77716247941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45958859.

The product of its digits is 4148928, while the sum is 55.

The spelling of 77716247941 in words is "seventy-seven billion, seven hundred sixteen million, two hundred forty-seven thousand, nine hundred forty-one".