87244078 has 8 divisors (see below), whose sum is σ = 130924368. Its totient is φ = 43602624.

The previous prime is 87244061. The next prime is 87244097. The reversal of 87244078 is 87044278.

It is a happy number.

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

It is a super-2 number, since 2×87244078² = 15223058292140168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 87244078.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226 + ... + 13597.

It is an arithmetic number, because the mean of its divisors is an integer number (16365546).

Almost surely, 2^87244078 is an apocalyptic number.

87244078 is a deficient number, since it is larger than the sum of its proper divisors (43680290).

87244078 is a wasteful number, since it uses less digits than its factorization.

87244078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418.

The product of its (nonzero) digits is 100352, while the sum is 40.

The square root of 87244078 is about 9340.4538433633. The cubic root of 87244078 is about 443.5187512170.

The spelling of 87244078 in words is "eighty-seven million, two hundred forty-four thousand, seventy-eight".