82669958 has 24 divisors (see below), whose sum is σ = 150526512. Its totient is φ = 33888624.

The previous prime is 82669949. The next prime is 82669987. The reversal of 82669958 is 85996628.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16085 + ... + 20592.

It is an arithmetic number, because the mean of its divisors is an integer number (6271938).

Almost surely, 2^82669958 is an apocalyptic number.

82669958 is a deficient number, since it is larger than the sum of its proper divisors (67856554).

82669958 is a wasteful number, since it uses less digits than its factorization.

82669958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36716 (or 36709 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 82669958 is about 9092.3021287241. The cubic root of 82669958 is about 435.6281197600.

The spelling of 82669958 in words is "eighty-two million, six hundred sixty-nine thousand, nine hundred fifty-eight".