87873015 has 8 divisors (see below), whose sum is σ = 140596848. Its totient is φ = 46865600.

The previous prime is 87872999. The next prime is 87873053. The reversal of 87873015 is 51037878.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87873015 - 2⁴ = 87872999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2929086 + ... + 2929115.

It is an arithmetic number, because the mean of its divisors is an integer number (17574606).

Almost surely, 2^87873015 is an apocalyptic number.

87873015 is a deficient number, since it is larger than the sum of its proper divisors (52723833).

87873015 is a wasteful number, since it uses less digits than its factorization.

87873015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5858209.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 87873015 is about 9374.0607529501. The cubic root of 87873015 is about 444.5819665517.

The spelling of 87873015 in words is "eighty-seven million, eight hundred seventy-three thousand, fifteen".