83085900 has 36 divisors (see below), whose sum is σ = 240396072. Its totient is φ = 22156160.

The previous prime is 83085889. The next prime is 83085907. The reversal of 83085900 is 958038.

It is not an unprimeable number, because it can be changed into a prime (83085907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138177 + ... + 138776.

Almost surely, 2^83085900 is an apocalyptic number.

It is an amenable number.

83085900 is an abundant number, since it is smaller than the sum of its proper divisors (157310172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83085900 is a wasteful number, since it uses less digits than its factorization.

83085900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276970 (or 276963 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 83085900 is about 9115.1467349681. The cubic root of 83085900 is about 436.3574979408.

The spelling of 83085900 in words is "eighty-three million, eighty-five thousand, nine hundred".