676020981 has 8 divisors (see below), whose sum is σ = 901608640. Its totient is φ = 450556992.

The previous prime is 676020923. The next prime is 676021009. The reversal of 676020981 is 189020676.

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

It is not a de Polignac number, because 676020981 - 2¹⁷ = 675889909 is a prime.

It is a super-2 number, since 2×676020981² = 914008733504404722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676020901) 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, 17305 + ... + 40638.

It is an arithmetic number, because the mean of its divisors is an integer number (112701080).

Almost surely, 2^676020981 is an apocalyptic number.

It is an amenable number.

676020981 is a deficient number, since it is larger than the sum of its proper divisors (225587659).

676020981 is a wasteful number, since it uses less digits than its factorization.

676020981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61835.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 676020981 is about 26000.4034776386. The cubic root of 676020981 is about 877.6473751870.

The spelling of 676020981 in words is "six hundred seventy-six million, twenty thousand, nine hundred eighty-one".