77373410677 has 8 divisors (see below), whose sum is σ = 78134552856. Its totient is φ = 76615114752.

The previous prime is 77373410671. The next prime is 77373410759. The reversal of 77373410677 is 77601437377.

It can be written as a sum of positive squares in 4 ways, for example, as 38915847441 + 38457563236 = 197271^2 + 196106^2 .

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 77373410677 - 2⁷ = 77373410549 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 (77373410671) 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, 656908 + ... + 765685.

It is an arithmetic number, because the mean of its divisors is an integer number (9766819107).

Almost surely, 2^77373410677 is an apocalyptic number.

It is an amenable number.

77373410677 is a deficient number, since it is larger than the sum of its proper divisors (761142179).

77373410677 is a wasteful number, since it uses less digits than its factorization.

77373410677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423127.

The product of its (nonzero) digits is 3630312, while the sum is 52.

The spelling of 77373410677 in words is "seventy-seven billion, three hundred seventy-three million, four hundred ten thousand, six hundred seventy-seven".