87876533 has 2 divisors, whose sum is σ = 87876534. Its totient is φ = 87876532.

The previous prime is 87876527. The next prime is 87876541. The reversal of 87876533 is 33567878.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85692049 + 2184484 = 9257^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 87876533 - 2¹² = 87872437 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87876233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43938266 + 43938267.

It is an arithmetic number, because the mean of its divisors is an integer number (43938267).

Almost surely, 2^87876533 is an apocalyptic number.

It is an amenable number.

87876533 is a deficient number, since it is larger than the sum of its proper divisors (1).

87876533 is an equidigital number, since it uses as much as digits as its factorization.

87876533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 47.

The square root of 87876533 is about 9374.2483965383. The cubic root of 87876533 is about 444.5878994253.

The spelling of 87876533 in words is "eighty-seven million, eight hundred seventy-six thousand, five hundred thirty-three".