87347506 has 8 divisors (see below), whose sum is σ = 131584284. Its totient is φ = 43486080.

The previous prime is 87347497. The next prime is 87347509. The reversal of 87347506 is 60574378.

It can be written as a sum of positive squares in 2 ways, for example, as 84474481 + 2873025 = 9191^2 + 1695^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (87347509) 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, 93255 + ... + 94186.

Almost surely, 2^87347506 is an apocalyptic number.

87347506 is a deficient number, since it is larger than the sum of its proper divisors (44236778).

87347506 is a wasteful number, since it uses less digits than its factorization.

87347506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187676.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 87347506 is about 9345.9887652404. The cubic root of 87347506 is about 443.6939460771.

The spelling of 87347506 in words is "eighty-seven million, three hundred forty-seven thousand, five hundred six".