86503951 has 4 divisors (see below), whose sum is σ = 86952352. Its totient is φ = 86055552.

The previous prime is 86503933. The next prime is 86503969. The reversal of 86503951 is 15930568.

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 (86503933) and next prime (86503969).

It is a cyclic number.

It is not a de Polignac number, because 86503951 - 2²³ = 78115343 is a prime.

It is a super-2 number, since 2×86503951² = 14965867077220802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86503951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86503931) 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, 223911 + ... + 224296.

It is an arithmetic number, because the mean of its divisors is an integer number (21738088).

Almost surely, 2^86503951 is an apocalyptic number.

86503951 is a deficient number, since it is larger than the sum of its proper divisors (448401).

86503951 is a wasteful number, since it uses less digits than its factorization.

86503951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448400.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 86503951 is about 9300.7500235196. The cubic root of 86503951 is about 442.2610045021.

The spelling of 86503951 in words is "eighty-six million, five hundred three thousand, nine hundred fifty-one".