87244799 has 16 divisors (see below), whose sum is σ = 94089600. Its totient is φ = 80607744.

The previous prime is 87244783. The next prime is 87244813. The reversal of 87244799 is 99744278.

It is not a de Polignac number, because 87244799 - 2⁴ = 87244783 is a prime.

It is a super-2 number, since 2×87244799² = 15223309905100802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87244739) 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, 364922 + ... + 365160.

It is an arithmetic number, because the mean of its divisors is an integer number (5880600).

Almost surely, 2^87244799 is an apocalyptic number.

87244799 is a deficient number, since it is larger than the sum of its proper divisors (6844801).

87244799 is a wasteful number, since it uses less digits than its factorization.

87244799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its digits is 1016064, while the sum is 50.

The square root of 87244799 is about 9340.4924388385. The cubic root of 87244799 is about 443.5199729853.

The spelling of 87244799 in words is "eighty-seven million, two hundred forty-four thousand, seven hundred ninety-nine".