87615323 has 2 divisors, whose sum is σ = 87615324. Its totient is φ = 87615322.

The previous prime is 87615299. The next prime is 87615361. The reversal of 87615323 is 32351678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87615323 - 2⁶ = 87615259 is a prime.

It is not a weakly prime, because it can be changed into another prime (87615523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43807661 + 43807662.

It is an arithmetic number, because the mean of its divisors is an integer number (43807662).

Almost surely, 2^87615323 is an apocalyptic number.

87615323 is a deficient number, since it is larger than the sum of its proper divisors (1).

87615323 is an equidigital number, since it uses as much as digits as its factorization.

87615323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 87615323 is about 9360.3057108195. The cubic root of 87615323 is about 444.1469547780.

The spelling of 87615323 in words is "eighty-seven million, six hundred fifteen thousand, three hundred twenty-three".