87876461 has 2 divisors, whose sum is σ = 87876462. Its totient is φ = 87876460.

The previous prime is 87876433. The next prime is 87876473. The reversal of 87876461 is 16467878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82700836 + 5175625 = 9094^2 + 2275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87876461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87876401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43938230 + 43938231.

It is an arithmetic number, because the mean of its divisors is an integer number (43938231).

Almost surely, 2^87876461 is an apocalyptic number.

It is an amenable number.

87876461 is a deficient number, since it is larger than the sum of its proper divisors (1).

87876461 is an equidigital number, since it uses as much as digits as its factorization.

87876461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 47.

The square root of 87876461 is about 9374.2445562296. The cubic root of 87876461 is about 444.5877780037.

The spelling of 87876461 in words is "eighty-seven million, eight hundred seventy-six thousand, four hundred sixty-one".