83780474342 has 16 divisors (see below), whose sum is σ = 126161204400. Its totient is φ = 41727043680.

The previous prime is 83780474341. The next prime is 83780474359. The reversal of 83780474342 is 24347408738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83780474341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479384 + ... + 630372.

It is an arithmetic number, because the mean of its divisors is an integer number (7885075275).

Almost surely, 2^83780474342 is an apocalyptic number.

83780474342 is a deficient number, since it is larger than the sum of its proper divisors (42380730058).

83780474342 is a wasteful number, since it uses less digits than its factorization.

83780474342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152071.

The product of its (nonzero) digits is 3612672, while the sum is 50.

The spelling of 83780474342 in words is "eighty-three billion, seven hundred eighty million, four hundred seventy-four thousand, three hundred forty-two".