83505773942 has 8 divisors (see below), whose sum is σ = 125820359616. Its totient is φ = 41565654072.

The previous prime is 83505773921. The next prime is 83505773957. The reversal of 83505773942 is 24937750538.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 93615893 + ... + 93616784.

It is an arithmetic number, because the mean of its divisors is an integer number (15727544952).

Almost surely, 2^83505773942 is an apocalyptic number.

83505773942 is a deficient number, since it is larger than the sum of its proper divisors (42314585674).

83505773942 is a wasteful number, since it uses less digits than its factorization.

83505773942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187232902.

The product of its (nonzero) digits is 6350400, while the sum is 53.

The spelling of 83505773942 in words is "eighty-three billion, five hundred five million, seven hundred seventy-three thousand, nine hundred forty-two".