87441761 has 16 divisors (see below), whose sum is σ = 103161600. Its totient is φ = 73217280.

The previous prime is 87441737. The next prime is 87441763. The reversal of 87441761 is 16714478.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87441761 is a prime.

It is a super-2 number, since 2×87441761² = 15292123133562242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87441763) 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 15 ways as a sum of consecutive naturals, for example, 3815 + ... + 13763.

It is an arithmetic number, because the mean of its divisors is an integer number (6447600).

Almost surely, 2^87441761 is an apocalyptic number.

It is an amenable number.

87441761 is a deficient number, since it is larger than the sum of its proper divisors (15719839).

87441761 is a wasteful number, since it uses less digits than its factorization.

87441761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024.

The product of its digits is 37632, while the sum is 38.

The square root of 87441761 is about 9351.0299432736. The cubic root of 87441761 is about 443.8534825512.

It can be divided in two parts, 874417 and 61, that added together give a palindrome (874478).

The spelling of 87441761 in words is "eighty-seven million, four hundred forty-one thousand, seven hundred sixty-one".