82849551 has 8 divisors (see below), whose sum is σ = 116964144. Its totient is φ = 51984000.

The previous prime is 82849541. The next prime is 82849553. The reversal of 82849551 is 15594828.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82849551 - 2¹⁴ = 82833167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82849553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812200 + ... + 812301.

It is an arithmetic number, because the mean of its divisors is an integer number (14620518).

Almost surely, 2^82849551 is an apocalyptic number.

82849551 is a deficient number, since it is larger than the sum of its proper divisors (34114593).

82849551 is a wasteful number, since it uses less digits than its factorization.

82849551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1624521.

The product of its digits is 115200, while the sum is 42.

The square root of 82849551 is about 9102.1728724519. The cubic root of 82849551 is about 435.9433458216.

The spelling of 82849551 in words is "eighty-two million, eight hundred forty-nine thousand, five hundred fifty-one".