87626320 has 40 divisors (see below), whose sum is σ = 212593536. Its totient is φ = 33525888.

The previous prime is 87626281. The next prime is 87626321. The reversal of 87626320 is 2362678.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87626321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21972 + ... + 25651.

Almost surely, 2^87626320 is an apocalyptic number.

87626320 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87626320 is an abundant number, since it is smaller than the sum of its proper divisors (124967216).

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

87626320 is a wasteful number, since it uses less digits than its factorization.

87626320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47659 (or 47653 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 87626320 is about 9360.8931197830. The cubic root of 87626320 is about 444.1655363060.

Adding to 87626320 its reverse (2362678), we get a palindrome (89988998).

The spelling of 87626320 in words is "eighty-seven million, six hundred twenty-six thousand, three hundred twenty".