777996497 has 8 divisors (see below), whose sum is σ = 783907200. Its totient is φ = 772095280.

The previous prime is 777996493. The next prime is 777996509. The reversal of 777996497 is 794699777.

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

It is a cyclic number.

It is not a de Polignac number, because 777996497 - 2² = 777996493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (777996493) 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, 306122 + ... + 308652.

It is an arithmetic number, because the mean of its divisors is an integer number (97988400).

Almost surely, 2^777996497 is an apocalyptic number.

It is an amenable number.

777996497 is a deficient number, since it is larger than the sum of its proper divisors (5910703).

777996497 is a wasteful number, since it uses less digits than its factorization.

777996497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4743.

The product of its digits is 42007896, while the sum is 65.

The square root of 777996497 is about 27892.5885675747. The cubic root of 777996497 is about 919.7275882978.

The spelling of 777996497 in words is "seven hundred seventy-seven million, nine hundred ninety-six thousand, four hundred ninety-seven".