77399499377 has 8 divisors (see below), whose sum is σ = 78302782272. Its totient is φ = 76498902000.

The previous prime is 77399499301. The next prime is 77399499383.

77399499377 is nontrivially palindromic in base 10.

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 77399499377 - 2²⁸ = 77131063921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77399493377) 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, 613373 + ... + 728714.

It is an arithmetic number, because the mean of its divisors is an integer number (9787847784).

Almost surely, 2^77399499377 is an apocalyptic number.

It is an amenable number.

77399499377 is a deficient number, since it is larger than the sum of its proper divisors (903282895).

77399499377 is a wasteful number, since it uses less digits than its factorization.

77399499377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342759.

The product of its digits is 567106596, while the sum is 74.

The spelling of 77399499377 in words is "seventy-seven billion, three hundred ninety-nine million, four hundred ninety-nine thousand, three hundred seventy-seven".