87620259 has 8 divisors (see below), whose sum is σ = 116913232. Its totient is φ = 58370400.

The previous prime is 87620249. The next prime is 87620279. The reversal of 87620259 is 95202678.

It is a happy number.

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

It is not a de Polignac number, because 87620259 - 2¹¹ = 87618211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87620219) 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, 5692 + ... + 14409.

It is an arithmetic number, because the mean of its divisors is an integer number (14614154).

Almost surely, 2^87620259 is an apocalyptic number.

87620259 is a deficient number, since it is larger than the sum of its proper divisors (29292973).

87620259 is a wasteful number, since it uses less digits than its factorization.

87620259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21557.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 87620259 is about 9360.5693737080. The cubic root of 87620259 is about 444.1552952833.

It can be divided in two parts, 8 and 7620259, that added together give a palindrome (7620267).

The spelling of 87620259 in words is "eighty-seven million, six hundred twenty thousand, two hundred fifty-nine".