87482057 has 4 divisors (see below), whose sum is σ = 94211460. Its totient is φ = 80752656.

The previous prime is 87482039. The next prime is 87482089. The reversal of 87482057 is 75028478.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5470921 + 82011136 = 2339^2 + 9056^2 .

It is a cyclic number.

It is not a de Polignac number, because 87482057 - 2¹² = 87477961 is a prime.

It is a super-2 number, since 2×87482057² = 15306220593902498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87482657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3364682 + ... + 3364707.

It is an arithmetic number, because the mean of its divisors is an integer number (23552865).

Almost surely, 2^87482057 is an apocalyptic number.

It is an amenable number.

87482057 is a deficient number, since it is larger than the sum of its proper divisors (6729403).

87482057 is a wasteful number, since it uses less digits than its factorization.

87482057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729402.

The product of its (nonzero) digits is 125440, while the sum is 41.

The square root of 87482057 is about 9353.1843240685. The cubic root of 87482057 is about 443.9216527749.

The spelling of 87482057 in words is "eighty-seven million, four hundred eighty-two thousand, fifty-seven".