677545739 has 8 divisors (see below), whose sum is σ = 749385840. Its totient is φ = 608522976.

The previous prime is 677545723. The next prime is 677545769. The reversal of 677545739 is 937545776.

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 677545739 - 2⁴ = 677545723 is a prime.

It is a super-2 number, since 2×677545739² = 918136456874112242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677545769) 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, 703829 + ... + 704790.

It is an arithmetic number, because the mean of its divisors is an integer number (93673230).

Almost surely, 2^677545739 is an apocalyptic number.

677545739 is a deficient number, since it is larger than the sum of its proper divisors (71840101).

677545739 is a wasteful number, since it uses less digits than its factorization.

677545739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408669.

The product of its digits is 5556600, while the sum is 53.

The square root of 677545739 is about 26029.7087767036. The cubic root of 677545739 is about 878.3067211021.

The spelling of 677545739 in words is "six hundred seventy-seven million, five hundred forty-five thousand, seven hundred thirty-nine".