83378430 has 32 divisors (see below), whose sum is σ = 222343200. Its totient is φ = 22234176.

The previous prime is 83378411. The next prime is 83378431. The reversal of 83378430 is 3487338.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83378431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154135 + ... + 154674.

It is an arithmetic number, because the mean of its divisors is an integer number (6948225).

Almost surely, 2^83378430 is an apocalyptic number.

83378430 is an abundant number, since it is smaller than the sum of its proper divisors (138964770).

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

83378430 is a wasteful number, since it uses less digits than its factorization.

83378430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308825 (or 308819 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 83378430 is about 9131.1790038308. The cubic root of 83378430 is about 436.8690092936.

The spelling of 83378430 in words is "eighty-three million, three hundred seventy-eight thousand, four hundred thirty".