87654657 has 8 divisors (see below), whose sum is σ = 123024160. Its totient is φ = 55360800.

The previous prime is 87654653. The next prime is 87654659. The reversal of 87654657 is 75645678.

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

It is not a de Polignac number, because 87654657 - 2² = 87654653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87654653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 768844 + ... + 768957.

It is an arithmetic number, because the mean of its divisors is an integer number (15378020).

Almost surely, 2^87654657 is an apocalyptic number.

It is an amenable number.

87654657 is a deficient number, since it is larger than the sum of its proper divisors (35369503).

87654657 is a wasteful number, since it uses less digits than its factorization.

87654657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1537823.

The product of its digits is 1411200, while the sum is 48.

The square root of 87654657 is about 9362.4065816434. The cubic root of 87654657 is about 444.2134099065.

The spelling of 87654657 in words is "eighty-seven million, six hundred fifty-four thousand, six hundred fifty-seven".