82953278 has 16 divisors (see below), whose sum is σ = 134027520. Its totient is φ = 38379096.

The previous prime is 82953193. The next prime is 82953293. The reversal of 82953278 is 87235928.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23750 + ... + 27017.

It is an arithmetic number, because the mean of its divisors is an integer number (8376720).

Almost surely, 2^82953278 is an apocalyptic number.

82953278 is a deficient number, since it is larger than the sum of its proper divisors (51074242).

82953278 is a wasteful number, since it uses less digits than its factorization.

82953278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50831.

The product of its digits is 241920, while the sum is 44.

The square root of 82953278 is about 9107.8690153076. The cubic root of 82953278 is about 436.1252025192.

The spelling of 82953278 in words is "eighty-two million, nine hundred fifty-three thousand, two hundred seventy-eight".