677800147 has 4 divisors (see below), whose sum is σ = 681586920. Its totient is φ = 674013376.

The previous prime is 677800127. The next prime is 677800159. The reversal of 677800147 is 741008776.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-677800147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677800127) 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, 1893118 + ... + 1893475.

It is an arithmetic number, because the mean of its divisors is an integer number (170396730).

Almost surely, 2^677800147 is an apocalyptic number.

677800147 is a deficient number, since it is larger than the sum of its proper divisors (3786773).

677800147 is a wasteful number, since it uses less digits than its factorization.

677800147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3786772.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 677800147 is about 26034.5951956238. The cubic root of 677800147 is about 878.4166375658.

The spelling of 677800147 in words is "six hundred seventy-seven million, eight hundred thousand, one hundred forty-seven".