86913447 has 4 divisors (see below), whose sum is σ = 115884600. Its totient is φ = 57942296.

The previous prime is 86913433. The next prime is 86913461. The reversal of 86913447 is 74431968.

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

It is an interprime number because it is at equal distance from previous prime (86913433) and next prime (86913461).

It is a cyclic number.

It is not a de Polignac number, because 86913447 - 2¹¹ = 86911399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 86913399 and 86913408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86913247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14485572 + ... + 14485577.

It is an arithmetic number, because the mean of its divisors is an integer number (28971150).

Almost surely, 2^86913447 is an apocalyptic number.

86913447 is a deficient number, since it is larger than the sum of its proper divisors (28971153).

86913447 is a wasteful number, since it uses less digits than its factorization.

86913447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28971152.

The product of its digits is 145152, while the sum is 42.

The square root of 86913447 is about 9322.7381707307. The cubic root of 86913447 is about 442.9577707064.

The spelling of 86913447 in words is "eighty-six million, nine hundred thirteen thousand, four hundred forty-seven".