87000747 has 8 divisors (see below), whose sum is σ = 122824656. Its totient is φ = 54588672.

The previous prime is 87000731. The next prime is 87000757. The reversal of 87000747 is 74700078.

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

It is not a de Polignac number, because 87000747 - 2⁴ = 87000731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87000757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852898 + ... + 852999.

It is an arithmetic number, because the mean of its divisors is an integer number (15353082).

Almost surely, 2^87000747 is an apocalyptic number.

87000747 is a deficient number, since it is larger than the sum of its proper divisors (35823909).

87000747 is a wasteful number, since it uses less digits than its factorization.

87000747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705917.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 87000747 is about 9327.4190964060. The cubic root of 87000747 is about 443.1060303621.

The spelling of 87000747 in words is "eighty-seven million, seven hundred forty-seven", and thus it is an aban number.