87676031 has 2 divisors, whose sum is σ = 87676032. Its totient is φ = 87676030.

The previous prime is 87676007. The next prime is 87676037. The reversal of 87676031 is 13067678.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87676031 is a prime.

It is a super-2 number, since 2×87676031² = 15374172823825922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87676037) 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 as a sum of consecutive naturals, namely, 43838015 + 43838016.

It is an arithmetic number, because the mean of its divisors is an integer number (43838016).

Almost surely, 2^87676031 is an apocalyptic number.

87676031 is a deficient number, since it is larger than the sum of its proper divisors (1).

87676031 is an equidigital number, since it uses as much as digits as its factorization.

87676031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 87676031 is about 9363.5479920808. The cubic root of 87676031 is about 444.2495131253.

The spelling of 87676031 in words is "eighty-seven million, six hundred seventy-six thousand, thirty-one".