87241612 has 6 divisors (see below), whose sum is σ = 152672828. Its totient is φ = 43620804.

The previous prime is 87241579. The next prime is 87241613. The reversal of 87241612 is 21614278.

It is a super-2 number, since 2×87241612² = 15222197728717088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87241613) 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 as a sum of consecutive naturals, namely, 10905198 + ... + 10905205.

Almost surely, 2^87241612 is an apocalyptic number.

It is an amenable number.

87241612 is a deficient number, since it is larger than the sum of its proper divisors (65431216).

87241612 is a wasteful number, since it uses less digits than its factorization.

87241612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21810407 (or 21810405 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 87241612 is about 9340.3218359969. The cubic root of 87241612 is about 443.5145724136.

The spelling of 87241612 in words is "eighty-seven million, two hundred forty-one thousand, six hundred twelve".