677155653 has 16 divisors (see below), whose sum is σ = 1003594240. Its totient is φ = 451256832.

The previous prime is 677155651. The next prime is 677155697. The reversal of 677155653 is 356551776.

677155653 is a `hidden beast` number, since 6 + 77 + 15 + 565 + 3 = 666.

It is not a de Polignac number, because 677155653 - 2¹ = 677155651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677155599 and 677155608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677155651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132300 + ... + 137322.

It is an arithmetic number, because the mean of its divisors is an integer number (62724640).

Almost surely, 2^677155653 is an apocalyptic number.

It is an amenable number.

677155653 is a deficient number, since it is larger than the sum of its proper divisors (326438587).

677155653 is a wasteful number, since it uses less digits than its factorization.

677155653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10025 (or 10019 counting only the distinct ones).

The product of its digits is 661500, while the sum is 45.

The square root of 677155653 is about 26022.2146059862. The cubic root of 677155653 is about 878.1381317810.

The spelling of 677155653 in words is "six hundred seventy-seven million, one hundred fifty-five thousand, six hundred fifty-three".