84687601 has 4 divisors (see below), whose sum is σ = 84819952. Its totient is φ = 84555252.

The previous prime is 84687583. The next prime is 84687607. The reversal of 84687601 is 10678648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84687601 - 2¹⁷ = 84556529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84687607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65211 + ... + 66496.

It is an arithmetic number, because the mean of its divisors is an integer number (21204988).

Almost surely, 2^84687601 is an apocalyptic number.

It is an amenable number.

84687601 is a deficient number, since it is larger than the sum of its proper divisors (132351).

84687601 is a wasteful number, since it uses less digits than its factorization.

84687601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132350.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 84687601 is about 9202.5866472422. The cubic root of 84687601 is about 439.1436529477.

The spelling of 84687601 in words is "eighty-four million, six hundred eighty-seven thousand, six hundred one".