86953671 has 24 divisors (see below), whose sum is σ = 151099520. Its totient is φ = 47072016.

The previous prime is 86953651. The next prime is 86953717. The reversal of 86953671 is 17635968.

It is a happy number.

It is not a de Polignac number, because 86953671 - 2⁹ = 86953159 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86953621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35125 + ... + 37518.

Almost surely, 2^86953671 is an apocalyptic number.

86953671 is a deficient number, since it is larger than the sum of its proper divisors (64145849).

86953671 is a wasteful number, since it uses less digits than its factorization.

86953671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72675 (or 72672 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 86953671 is about 9324.8952272934. The cubic root of 86953671 is about 443.0260945619.

The spelling of 86953671 in words is "eighty-six million, nine hundred fifty-three thousand, six hundred seventy-one".