677336137 has 8 divisors (see below), whose sum is σ = 690198080. Its totient is φ = 664595280.

The previous prime is 677336089. The next prime is 677336141. The reversal of 677336137 is 731633776.

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 677336137 - 2¹⁵ = 677303369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677336093 and 677336102.

It is not an unprimeable number, because it can be changed into a prime (677336147) 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, 18939 + ... + 41392.

It is an arithmetic number, because the mean of its divisors is an integer number (86274760).

Almost surely, 2^677336137 is an apocalyptic number.

It is an amenable number.

677336137 is a deficient number, since it is larger than the sum of its proper divisors (12861943).

677336137 is a wasteful number, since it uses less digits than its factorization.

677336137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60543.

The product of its digits is 333396, while the sum is 43.

The square root of 677336137 is about 26025.6822581080. The cubic root of 677336137 is about 878.2161423059.

The spelling of 677336137 in words is "six hundred seventy-seven million, three hundred thirty-six thousand, one hundred thirty-seven".