87148005 has 32 divisors (see below), whose sum is σ = 159737088. Its totient is φ = 39744000.

The previous prime is 87147959. The next prime is 87148021. The reversal of 87148005 is 50084178.

It is a happy number.

It is not a de Polignac number, because 87148005 - 2⁷ = 87147877 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62415 + ... + 63795.

It is an arithmetic number, because the mean of its divisors is an integer number (4991784).

Almost surely, 2^87148005 is an apocalyptic number.

It is an amenable number.

87148005 is a deficient number, since it is larger than the sum of its proper divisors (72589083).

87148005 is a wasteful number, since it uses less digits than its factorization.

87148005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 87148005 is about 9335.3095824402. The cubic root of 87148005 is about 443.3558907750.

The spelling of 87148005 in words is "eighty-seven million, one hundred forty-eight thousand, five".