87953798 has 8 divisors (see below), whose sum is σ = 132668280. Its totient is φ = 43731040.

The previous prime is 87953797. The next prime is 87953819. The reversal of 87953798 is 89735978.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87953797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122483 + ... + 123198.

It is an arithmetic number, because the mean of its divisors is an integer number (16583535).

Almost surely, 2^87953798 is an apocalyptic number.

87953798 is a deficient number, since it is larger than the sum of its proper divisors (44714482).

87953798 is a wasteful number, since it uses less digits than its factorization.

87953798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245862.

The product of its digits is 3810240, while the sum is 56.

The square root of 87953798 is about 9378.3686214608. The cubic root of 87953798 is about 444.7181618140.

The spelling of 87953798 in words is "eighty-seven million, nine hundred fifty-three thousand, seven hundred ninety-eight".