87864454 has 8 divisors (see below), whose sum is σ = 131840280. Its totient is φ = 43917696.

The previous prime is 87864383. The next prime is 87864473. The reversal of 87864454 is 45446878.

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

It is a congruent number.

It is an unprimeable number.

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, 3457 + ... + 13699.

It is an arithmetic number, because the mean of its divisors is an integer number (16480035).

Almost surely, 2^87864454 is an apocalyptic number.

87864454 is a deficient number, since it is larger than the sum of its proper divisors (43975826).

87864454 is a wasteful number, since it uses less digits than its factorization.

87864454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14534.

The product of its digits is 860160, while the sum is 46.

The square root of 87864454 is about 9373.6041094128. The cubic root of 87864454 is about 444.5675283315.

The spelling of 87864454 in words is "eighty-seven million, eight hundred sixty-four thousand, four hundred fifty-four".