87024447 has 12 divisors (see below), whose sum is σ = 130036920. Its totient is φ = 56015568.

The previous prime is 87024437. The next prime is 87024451. The reversal of 87024447 is 74442078.

It is not a de Polignac number, because 87024447 - 2⁷ = 87024319 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87024437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166453 + ... + 166974.

It is an arithmetic number, because the mean of its divisors is an integer number (10836410).

Almost surely, 2^87024447 is an apocalyptic number.

87024447 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

87024447 is a deficient number, since it is larger than the sum of its proper divisors (43012473).

87024447 is a wasteful number, since it uses less digits than its factorization.

87024447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333462 (or 333459 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The square root of 87024447 is about 9328.6894577963. The cubic root of 87024447 is about 443.1462624285.

The spelling of 87024447 in words is "eighty-seven million, twenty-four thousand, four hundred forty-seven".