87082464 has 48 divisors (see below), whose sum is σ = 261249408. Its totient is φ = 24880512.

The previous prime is 87082427. The next prime is 87082469. The reversal of 87082464 is 46428078.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×87082464² = 15166711072622592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87082469) 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 7 ways as a sum of consecutive naturals, for example, 64122 + ... + 65465.

It is an arithmetic number, because the mean of its divisors is an integer number (5442696).

Almost surely, 2^87082464 is an apocalyptic number.

87082464 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

87082464 is an abundant number, since it is smaller than the sum of its proper divisors (174166944).

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

87082464 is a wasteful number, since it uses less digits than its factorization.

87082464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129607 (or 129599 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 87082464 is about 9331.7985404744. The cubic root of 87082464 is about 443.2447186911.

The spelling of 87082464 in words is "eighty-seven million, eighty-two thousand, four hundred sixty-four".