87876497 has 2 divisors, whose sum is σ = 87876498. Its totient is φ = 87876496.

The previous prime is 87876493. The next prime is 87876527. The reversal of 87876497 is 79467878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84345856 + 3530641 = 9184^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 87876497 - 2² = 87876493 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87876493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43938248 + 43938249.

It is an arithmetic number, because the mean of its divisors is an integer number (43938249).

Almost surely, 2^87876497 is an apocalyptic number.

It is an amenable number.

87876497 is a deficient number, since it is larger than the sum of its proper divisors (1).

87876497 is an equidigital number, since it uses as much as digits as its factorization.

87876497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The square root of 87876497 is about 9374.2464763841. The cubic root of 87876497 is about 444.5878387145.

The spelling of 87876497 in words is "eighty-seven million, eight hundred seventy-six thousand, four hundred ninety-seven".