77423383667 has 8 divisors (see below), whose sum is σ = 88488038496. Its totient is φ = 66359771712.

The previous prime is 77423383637. The next prime is 77423383669. The reversal of 77423383667 is 76638332477.

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 77423383667 - 2¹⁴ = 77423367283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77423383669) 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, 94568 + ... + 404709.

It is an arithmetic number, because the mean of its divisors is an integer number (11061004812).

Almost surely, 2^77423383667 is an apocalyptic number.

77423383667 is a deficient number, since it is larger than the sum of its proper divisors (11064654829).

77423383667 is a wasteful number, since it uses less digits than its factorization.

77423383667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521437.

The product of its digits is 21337344, while the sum is 56.

The spelling of 77423383667 in words is "seventy-seven billion, four hundred twenty-three million, three hundred eighty-three thousand, six hundred sixty-seven".