83307156 has 12 divisors (see below), whose sum is σ = 194383392. Its totient is φ = 27769048.

The previous prime is 83307139. The next prime is 83307247. The reversal of 83307156 is 65170338.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3471120 + ... + 3471143.

It is an arithmetic number, because the mean of its divisors is an integer number (16198616).

Almost surely, 2^83307156 is an apocalyptic number.

It is an amenable number.

83307156 is an abundant number, since it is smaller than the sum of its proper divisors (111076236).

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

83307156 is a wasteful number, since it uses less digits than its factorization.

83307156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942270 (or 6942268 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 83307156 is about 9127.2753875404. The cubic root of 83307156 is about 436.7444915643.

The spelling of 83307156 in words is "eighty-three million, three hundred seven thousand, one hundred fifty-six".