77908022864997 has 16 divisors (see below), whose sum is σ = 112205899864128. Its totient is φ = 47798554573440.

The previous prime is 77908022864977. The next prime is 77908022865037. The reversal of 77908022864997 is 79946822080977.

It is not a de Polignac number, because 77908022864997 - 2¹⁰ = 77908022863973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77908022864977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017572608 + ... + 3017598425.

It is an arithmetic number, because the mean of its divisors is an integer number (7012868741508).

Almost surely, 2^{77908022864997} is an apocalyptic number.

It is an amenable number.

77908022864997 is a deficient number, since it is larger than the sum of its proper divisors (34297876999131).

77908022864997 is a wasteful number, since it uses less digits than its factorization.

77908022864997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6035171380.

The product of its (nonzero) digits is 1536288768, while the sum is 78.

The spelling of 77908022864997 in words is "seventy-seven trillion, nine hundred eight billion, twenty-two million, eight hundred sixty-four thousand, nine hundred ninety-seven".