677859513 has 16 divisors (see below), whose sum is σ = 962720640. Its totient is φ = 422771456.

The previous prime is 677859509. The next prime is 677859517. The reversal of 677859513 is 315958776.

It is an interprime number because it is at equal distance from previous prime (677859509) and next prime (677859517).

It is a cyclic number.

It is not a de Polignac number, because 677859513 - 2² = 677859509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (677859517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31278 + ... + 48311.

It is an arithmetic number, because the mean of its divisors is an integer number (60170040).

Almost surely, 2^677859513 is an apocalyptic number.

It is an amenable number.

677859513 is a deficient number, since it is larger than the sum of its proper divisors (284861127).

677859513 is a wasteful number, since it uses less digits than its factorization.

677859513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79776.

The product of its digits is 1587600, while the sum is 51.

The square root of 677859513 is about 26035.7353074577. The cubic root of 677859513 is about 878.4422825685.

The spelling of 677859513 in words is "six hundred seventy-seven million, eight hundred fifty-nine thousand, five hundred thirteen".