87363520 has 56 divisors (see below), whose sum is σ = 218998800. Its totient is φ = 33103872.

The previous prime is 87363509. The next prime is 87363547. The reversal of 87363520 is 2536378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105 + ... + 13264.

Almost surely, 2^87363520 is an apocalyptic number.

87363520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87363520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109499400).

87363520 is an abundant number, since it is smaller than the sum of its proper divisors (131635280).

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

87363520 is a wasteful number, since it uses less digits than its factorization.

87363520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14405 (or 14395 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 87363520 is about 9346.8454571583. The cubic root of 87363520 is about 443.7210595422.

Adding to 87363520 its reverse (2536378), we get a palindrome (89899898).

The spelling of 87363520 in words is "eighty-seven million, three hundred sixty-three thousand, five hundred twenty".