83840737340 has 24 divisors (see below), whose sum is σ = 176987365632. Its totient is φ = 33360710720.

The previous prime is 83840737333. The next prime is 83840737367. The reversal of 83840737340 is 4373704838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10970099 + ... + 10977738.

It is an arithmetic number, because the mean of its divisors is an integer number (7374473568).

Almost surely, 2^83840737340 is an apocalyptic number.

It is an amenable number.

83840737340 is an abundant number, since it is smaller than the sum of its proper divisors (93146628292).

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

83840737340 is a wasteful number, since it uses less digits than its factorization.

83840737340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21948037 (or 21948035 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 83840737340 in words is "eighty-three billion, eight hundred forty million, seven hundred thirty-seven thousand, three hundred forty".