677234393 has 4 divisors (see below), whose sum is σ = 738801168. Its totient is φ = 615667620.

The previous prime is 677234387. The next prime is 677234413. The reversal of 677234393 is 393432776.

It is a happy number.

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 677234393 - 2⁴ = 677234377 is a prime.

It is a super-3 number, since 3×677234393³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677234323) 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, 30783371 + ... + 30783392.

It is an arithmetic number, because the mean of its divisors is an integer number (184700292).

Almost surely, 2^677234393 is an apocalyptic number.

It is an amenable number.

677234393 is a deficient number, since it is larger than the sum of its proper divisors (61566775).

677234393 is a wasteful number, since it uses less digits than its factorization.

677234393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61566774.

The product of its digits is 571536, while the sum is 44.

The square root of 677234393 is about 26023.7275001104. The cubic root of 677234393 is about 878.1721672431.

The spelling of 677234393 in words is "six hundred seventy-seven million, two hundred thirty-four thousand, three hundred ninety-three".