87148515 has 16 divisors (see below), whose sum is σ = 139557888. Its totient is φ = 46439136.

The previous prime is 87148513. The next prime is 87148517. The reversal of 87148515 is 51584178.

It is an interprime number because it is at equal distance from previous prime (87148513) and next prime (87148517).

It is not a de Polignac number, because 87148515 - 2¹ = 87148513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87148513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25752 + ... + 28938.

It is an arithmetic number, because the mean of its divisors is an integer number (8722368).

Almost surely, 2^87148515 is an apocalyptic number.

87148515 is a deficient number, since it is larger than the sum of its proper divisors (52409373).

87148515 is a wasteful number, since it uses less digits than its factorization.

87148515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5018.

The product of its digits is 44800, while the sum is 39.

The square root of 87148515 is about 9335.3368980450. The cubic root of 87148515 is about 443.3567556296.

The spelling of 87148515 in words is "eighty-seven million, one hundred forty-eight thousand, five hundred fifteen".