83748535278 has 16 divisors (see below), whose sum is σ = 167510318976. Its totient is φ = 27913970360.

The previous prime is 83748535219. The next prime is 83748535291. The reversal of 83748535278 is 87253584738.

It is a super-2 number, since 2×83748535278² (a number of 23 digits) contains 22 as substring.

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, 468876 + ... + 622367.

It is an arithmetic number, because the mean of its divisors is an integer number (10469394936).

Almost surely, 2^83748535278 is an apocalyptic number.

83748535278 is an abundant number, since it is smaller than the sum of its proper divisors (83761783698).

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

83748535278 is a wasteful number, since it uses less digits than its factorization.

83748535278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104039.

The product of its digits is 45158400, while the sum is 60.

The spelling of 83748535278 in words is "eighty-three billion, seven hundred forty-eight million, five hundred thirty-five thousand, two hundred seventy-eight".