82500790 has 8 divisors (see below), whose sum is σ = 148501440. Its totient is φ = 33000312.

The previous prime is 82500763. The next prime is 82500797. The reversal of 82500790 is 9700528.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82500797) 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, 4125030 + ... + 4125049.

It is an arithmetic number, because the mean of its divisors is an integer number (18562680).

Almost surely, 2^82500790 is an apocalyptic number.

82500790 is a deficient number, since it is larger than the sum of its proper divisors (66000650).

82500790 is a wasteful number, since it uses less digits than its factorization.

82500790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8250086.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 82500790 is about 9082.9945502571. The cubic root of 82500790 is about 435.3307740905.

The spelling of 82500790 in words is "eighty-two million, five hundred thousand, seven hundred ninety".