82378153 has 16 divisors (see below), whose sum is σ = 99038016. Its totient is φ = 67515840.

The previous prime is 82378151. The next prime is 82378159. The reversal of 82378153 is 35187328.

It is a cyclic number.

It is not a de Polignac number, because 82378153 - 2¹ = 82378151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82378151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550 + ... + 12847.

It is an arithmetic number, because the mean of its divisors is an integer number (6189876).

Almost surely, 2^82378153 is an apocalyptic number.

It is an amenable number.

82378153 is a deficient number, since it is larger than the sum of its proper divisors (16659863).

82378153 is a wasteful number, since it uses less digits than its factorization.

82378153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13464.

The product of its digits is 40320, while the sum is 37.

The square root of 82378153 is about 9076.2411272509. The cubic root of 82378153 is about 435.1149614681.

The spelling of 82378153 in words is "eighty-two million, three hundred seventy-eight thousand, one hundred fifty-three".