87393798 has 12 divisors (see below), whose sum is σ = 189353268. Its totient is φ = 29131260.

The previous prime is 87393797. The next prime is 87393811. The reversal of 87393798 is 89739378.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87393793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2427588 + ... + 2427623.

It is an arithmetic number, because the mean of its divisors is an integer number (15779439).

Almost surely, 2^87393798 is an apocalyptic number.

87393798 is an abundant number, since it is smaller than the sum of its proper divisors (101959470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87393798 is a wasteful number, since it uses less digits than its factorization.

87393798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855219 (or 4855216 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 87393798 is about 9348.4650076898. The cubic root of 87393798 is about 443.7723144766.

The spelling of 87393798 in words is "eighty-seven million, three hundred ninety-three thousand, seven hundred ninety-eight".