86578000247 has 4 divisors (see below), whose sum is σ = 88045424040. Its totient is φ = 85110576456.

The previous prime is 86578000193. The next prime is 86578000277. The reversal of 86578000247 is 74200087568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86578000247 - 2⁶ = 86578000183 is a prime.

It is a super-2 number, since 2×86578000247² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86578000277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733711808 + ... + 733711925.

It is an arithmetic number, because the mean of its divisors is an integer number (22011356010).

Almost surely, 2^86578000247 is an apocalyptic number.

86578000247 is a deficient number, since it is larger than the sum of its proper divisors (1467423793).

86578000247 is a wasteful number, since it uses less digits than its factorization.

86578000247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467423792.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 86578000247 in words is "eighty-six billion, five hundred seventy-eight million, two hundred forty-seven", and thus it is an aban number.