87580646 has 8 divisors (see below), whose sum is σ = 134166240. Its totient is φ = 42858568.

The previous prime is 87580631. The next prime is 87580663. The reversal of 87580646 is 64608578.

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

It is a junction number, because it is equal to n+sod(n) for n = 87580597 and 87580606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465761 + ... + 465948.

It is an arithmetic number, because the mean of its divisors is an integer number (16770780).

Almost surely, 2^87580646 is an apocalyptic number.

87580646 is a deficient number, since it is larger than the sum of its proper divisors (46585594).

87580646 is a wasteful number, since it uses less digits than its factorization.

87580646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931758.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 87580646 is about 9358.4531841539. The cubic root of 87580646 is about 444.0883511921.

The spelling of 87580646 in words is "eighty-seven million, five hundred eighty thousand, six hundred forty-six".