86753951 has 4 divisors (see below), whose sum is σ = 88390872. Its totient is φ = 85117032.

The previous prime is 86753923. The next prime is 86753959. The reversal of 86753951 is 15935768.

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 86753951 - 2²² = 82559647 is a prime.

It is a super-2 number, since 2×86753951² = 15052496028220802, which 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 (86753959) 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, 818381 + ... + 818486.

It is an arithmetic number, because the mean of its divisors is an integer number (22097718).

Almost surely, 2^86753951 is an apocalyptic number.

86753951 is a deficient number, since it is larger than the sum of its proper divisors (1636921).

86753951 is a wasteful number, since it uses less digits than its factorization.

86753951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636920.

The product of its digits is 226800, while the sum is 44.

The square root of 86753951 is about 9314.1801034766. The cubic root of 86753951 is about 442.6866455964.

The spelling of 86753951 in words is "eighty-six million, seven hundred fifty-three thousand, nine hundred fifty-one".