82500789 has 32 divisors (see below), whose sum is σ = 129547264. Its totient is φ = 45722880.

The previous prime is 82500763. The next prime is 82500797. The reversal of 82500789 is 98700528.

It is not a de Polignac number, because 82500789 - 2¹² = 82496693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82500799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190317 + ... + 190749.

It is an arithmetic number, because the mean of its divisors is an integer number (4048352).

Almost surely, 2^82500789 is an apocalyptic number.

It is an amenable number.

82500789 is a deficient number, since it is larger than the sum of its proper divisors (47046475).

82500789 is a wasteful number, since it uses less digits than its factorization.

82500789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 82500789 is about 9082.9944952092. The cubic root of 82500789 is about 435.3307723316.

The spelling of 82500789 in words is "eighty-two million, five hundred thousand, seven hundred eighty-nine".