677309481 has 6 divisors (see below), whose sum is σ = 978335930. Its totient is φ = 451539648.

The previous prime is 677309467. The next prime is 677309519. The reversal of 677309481 is 184903776.

677309481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 516425625 + 160883856 = 22725^2 + 12684^2 .

It is not a de Polignac number, because 677309481 - 2¹⁵ = 677276713 is a prime.

It is a super-2 number, since 2×677309481² = 917496266104978722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (677309411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 37628296 + ... + 37628313.

Almost surely, 2^677309481 is an apocalyptic number.

It is an amenable number.

677309481 is a deficient number, since it is larger than the sum of its proper divisors (301026449).

677309481 is a wasteful number, since it uses less digits than its factorization.

677309481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75256615 (or 75256612 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 677309481 is about 26025.1701435360. The cubic root of 677309481 is about 878.2046216663.

The spelling of 677309481 in words is "six hundred seventy-seven million, three hundred nine thousand, four hundred eighty-one".