87240650 has 48 divisors (see below), whose sum is σ = 188987904. Its totient is φ = 29340480.

The previous prime is 87240563. The next prime is 87240667. The reversal of 87240650 is 5604278.

It is a super-2 number, since 2×87240650² = 15221862024845000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16199 + ... + 20901.

It is an arithmetic number, because the mean of its divisors is an integer number (3937248).

Almost surely, 2^87240650 is an apocalyptic number.

87240650 is an abundant number, since it is smaller than the sum of its proper divisors (101747254).

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

87240650 is a wasteful number, since it uses less digits than its factorization.

87240650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775 (or 4770 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 87240650 is about 9340.2703387001. The cubic root of 87240650 is about 443.5129422183.

The spelling of 87240650 in words is "eighty-seven million, two hundred forty thousand, six hundred fifty".