676681385 has 8 divisors (see below), whose sum is σ = 812811456. Its totient is φ = 540815920.

The previous prime is 676681363. The next prime is 676681387. The reversal of 676681385 is 583186676.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 676681385 - 2⁸ = 676681129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676681387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60479 + ... + 70788.

It is an arithmetic number, because the mean of its divisors is an integer number (101601432).

Almost surely, 2^676681385 is an apocalyptic number.

It is an amenable number.

676681385 is a deficient number, since it is larger than the sum of its proper divisors (136130071).

676681385 is a wasteful number, since it uses less digits than its factorization.

676681385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132303.

The product of its digits is 1451520, while the sum is 50.

The square root of 676681385 is about 26013.1002573703. The cubic root of 676681385 is about 877.9330730270.

The spelling of 676681385 in words is "six hundred seventy-six million, six hundred eighty-one thousand, three hundred eighty-five".