83757402434 has 16 divisors (see below), whose sum is σ = 129903219936. Its totient is φ = 40475421600.

The previous prime is 83757402433. The next prime is 83757402503. The reversal of 83757402434 is 43420475738.

It is not an unprimeable number, because it can be changed into a prime (83757402433) 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, 4764272 + ... + 4781819.

It is an arithmetic number, because the mean of its divisors is an integer number (8118951246).

Almost surely, 2^83757402434 is an apocalyptic number.

83757402434 is a deficient number, since it is larger than the sum of its proper divisors (46145817502).

83757402434 is a wasteful number, since it uses less digits than its factorization.

83757402434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9546241.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 83757402434 in words is "eighty-three billion, seven hundred fifty-seven million, four hundred two thousand, four hundred thirty-four".