981377675 has 12 divisors (see below), whose sum is σ = 1218437640. Its totient is φ = 784115520.

The previous prime is 981377659. The next prime is 981377689. The reversal of 981377675 is 576773189.

It is not a de Polignac number, because 981377675 - 2⁴ = 981377659 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4037 + ... + 44486.

It is an arithmetic number, because the mean of its divisors is an integer number (101536470).

Almost surely, 2^981377675 is an apocalyptic number.

981377675 is a deficient number, since it is larger than the sum of its proper divisors (237059965).

981377675 is a wasteful number, since it uses less digits than its factorization.

981377675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49342 (or 49337 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 53.

The square root of 981377675 is about 31326.9480639273. The cubic root of 981377675 is about 993.7536223382.

The spelling of 981377675 in words is "nine hundred eighty-one million, three hundred seventy-seven thousand, six hundred seventy-five".