976087381 has 4 divisors (see below), whose sum is σ = 976203712. Its totient is φ = 975971052.

The previous prime is 976087367. The next prime is 976087391. The reversal of 976087381 is 183780679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 976087381 - 2⁷ = 976087253 is a prime.

It is a super-2 number, since 2×976087381² = 1905493150694878322, 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 (976087391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 44511 + ... + 62716.

It is an arithmetic number, because the mean of its divisors is an integer number (244050928).

Almost surely, 2^976087381 is an apocalyptic number.

It is an amenable number.

976087381 is a deficient number, since it is larger than the sum of its proper divisors (116331).

976087381 is a wasteful number, since it uses less digits than its factorization.

976087381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116330.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 976087381 is about 31242.3971711519. The cubic root of 976087381 is about 991.9647344410.

The spelling of 976087381 in words is "nine hundred seventy-six million, eighty-seven thousand, three hundred eighty-one".