87369261 has 16 divisors (see below), whose sum is σ = 133423104. Its totient is φ = 49816944.

The previous prime is 87369259. The next prime is 87369283. The reversal of 87369261 is 16296378.

It is a happy number.

It is not a de Polignac number, because 87369261 - 2¹ = 87369259 is a prime.

It is a super-2 number, since 2×87369261² = 15266775535372242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87369211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5956 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (8338944).

Almost surely, 2^87369261 is an apocalyptic number.

It is an amenable number.

87369261 is a deficient number, since it is larger than the sum of its proper divisors (46053843).

87369261 is a wasteful number, since it uses less digits than its factorization.

87369261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its digits is 108864, while the sum is 42.

The square root of 87369261 is about 9347.1525610744. The cubic root of 87369261 is about 443.7307788805.

The spelling of 87369261 in words is "eighty-seven million, three hundred sixty-nine thousand, two hundred sixty-one".