83388380142 has 32 divisors (see below), whose sum is σ = 168629652000. Its totient is φ = 27488942208.

The previous prime is 83388380129. The next prime is 83388380143. The reversal of 83388380142 is 24108388338.

It is a junction number, because it is equal to n+sod(n) for n = 83388380091 and 83388380100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83388380143) 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, 1068 + ... + 408384.

It is an arithmetic number, because the mean of its divisors is an integer number (5269676625).

Almost surely, 2^83388380142 is an apocalyptic number.

83388380142 is an abundant number, since it is smaller than the sum of its proper divisors (85241271858).

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

83388380142 is a wasteful number, since it uses less digits than its factorization.

83388380142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407700.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 83388380142 in words is "eighty-three billion, three hundred eighty-eight million, three hundred eighty thousand, one hundred forty-two".