83225870 has 32 divisors (see below), whose sum is σ = 184379328. Its totient is φ = 26339328.

The previous prime is 83225867. The next prime is 83225927. The reversal of 83225870 is 7852238.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 83225870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44819 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (5761854).

Almost surely, 2^83225870 is an apocalyptic number.

83225870 is an abundant number, since it is smaller than the sum of its proper divisors (101153458).

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

83225870 is a wasteful number, since it uses less digits than its factorization.

83225870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91484.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 83225870 is about 9122.8213837606. The cubic root of 83225870 is about 436.6023958655.

The spelling of 83225870 in words is "eighty-three million, two hundred twenty-five thousand, eight hundred seventy".