86151471 has 16 divisors (see below), whose sum is σ = 133129728. Its totient is φ = 48535200.

The previous prime is 86151469. The next prime is 86151479. The reversal of 86151471 is 17415168.

It is a happy number.

It is not a de Polignac number, because 86151471 - 2¹ = 86151469 is a prime.

It is a super-3 number, since 3×86151471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86151479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27400 + ... + 30381.

It is an arithmetic number, because the mean of its divisors is an integer number (8320608).

Almost surely, 2^86151471 is an apocalyptic number.

86151471 is a deficient number, since it is larger than the sum of its proper divisors (46978257).

86151471 is a wasteful number, since it uses less digits than its factorization.

86151471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57862.

The product of its digits is 6720, while the sum is 33.

The square root of 86151471 is about 9281.7816716404. The cubic root of 86151471 is about 441.6594891124.

The spelling of 86151471 in words is "eighty-six million, one hundred fifty-one thousand, four hundred seventy-one".