82547378 has 8 divisors (see below), whose sum is σ = 125517468. Its totient is φ = 40708224.

The previous prime is 82547371. The next prime is 82547449. The reversal of 82547378 is 87374528.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 80227849 + 2319529 = 8957^2 + 1523^2 .

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

It is a super-2 number, since 2×82547378² = 13628139229349768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82547371) 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, 282551 + ... + 282842.

Almost surely, 2^82547378 is an apocalyptic number.

82547378 is a deficient number, since it is larger than the sum of its proper divisors (42970090).

82547378 is a wasteful number, since it uses less digits than its factorization.

82547378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565468.

The product of its digits is 376320, while the sum is 44.

The square root of 82547378 is about 9085.5587610229. The cubic root of 82547378 is about 435.4127020886.

The spelling of 82547378 in words is "eighty-two million, five hundred forty-seven thousand, three hundred seventy-eight".