677491541 has 4 divisors (see below), whose sum is σ = 677892000. Its totient is φ = 677091084.

The previous prime is 677491523. The next prime is 677491543. The reversal of 677491541 is 145194776.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 677491541 - 2¹⁴ = 677475157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 677491492 and 677491501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677491543) 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, 197681 + ... + 201078.

It is an arithmetic number, because the mean of its divisors is an integer number (169473000).

Almost surely, 2^677491541 is an apocalyptic number.

It is an amenable number.

677491541 is a deficient number, since it is larger than the sum of its proper divisors (400459).

677491541 is a wasteful number, since it uses less digits than its factorization.

677491541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400458.

The product of its digits is 211680, while the sum is 44.

The square root of 677491541 is about 26028.6676762373. The cubic root of 677491541 is about 878.2833014103.

The spelling of 677491541 in words is "six hundred seventy-seven million, four hundred ninety-one thousand, five hundred forty-one".