83157330 has 32 divisors (see below), whose sum is σ = 202393728. Its totient is φ = 21862400.

The previous prime is 83157311. The next prime is 83157341. The reversal of 83157330 is 3375138.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17391 + ... + 21650.

It is an arithmetic number, because the mean of its divisors is an integer number (6324804).

Almost surely, 2^83157330 is an apocalyptic number.

83157330 is an abundant number, since it is smaller than the sum of its proper divisors (119236398).

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

83157330 is a wasteful number, since it uses less digits than its factorization.

83157330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39122.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 83157330 is about 9119.0640967152. The cubic root of 83157330 is about 436.4825094779.

The spelling of 83157330 in words is "eighty-three million, one hundred fifty-seven thousand, three hundred thirty".