676281385 has 12 divisors (see below), whose sum is σ = 878766732. Its totient is φ = 499407168.

The previous prime is 676281379. The next prime is 676281407. The reversal of 676281385 is 583182676.

It can be written as a sum of positive squares in 6 ways, for example, as 373416976 + 302864409 = 19324^2 + 17403^2 .

It is not a de Polignac number, because 676281385 - 2³ = 676281377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 399322 + ... + 401011.

It is an arithmetic number, because the mean of its divisors is an integer number (73230561).

Almost surely, 2^676281385 is an apocalyptic number.

676281385 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

676281385 is a deficient number, since it is larger than the sum of its proper divisors (202485347).

676281385 is a wasteful number, since it uses less digits than its factorization.

676281385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800364 (or 800351 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 676281385 is about 26005.4106870090. The cubic root of 676281385 is about 877.7600509544.

The spelling of 676281385 in words is "six hundred seventy-six million, two hundred eighty-one thousand, three hundred eighty-five".