677965793 has 4 divisors (see below), whose sum is σ = 678193968. Its totient is φ = 677737620.

The previous prime is 677965789. The next prime is 677965801. The reversal of 677965793 is 397569776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677965793 - 2² = 677965789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677965493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109571 + ... + 115592.

It is an arithmetic number, because the mean of its divisors is an integer number (169548492).

Almost surely, 2^677965793 is an apocalyptic number.

It is an amenable number.

677965793 is a deficient number, since it is larger than the sum of its proper divisors (228175).

677965793 is a wasteful number, since it uses less digits than its factorization.

677965793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228174.

The product of its digits is 15002820, while the sum is 59.

The square root of 677965793 is about 26037.7762683375. The cubic root of 677965793 is about 878.4881898030.

The spelling of 677965793 in words is "six hundred seventy-seven million, nine hundred sixty-five thousand, seven hundred ninety-three".