83798742258 has 192 divisors, whose sum is σ = 235739013120. Its totient is φ = 20874672000.

The previous prime is 83798742239. The next prime is 83798742259. The reversal of 83798742258 is 85224789738.

83798742258 is a `hidden beast` number, since 8 + 379 + 8 + 7 + 4 + 2 + 258 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 83798742195 and 83798742204.

It is not an unprimeable number, because it can be changed into a prime (83798742259) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6062391 + ... + 6076197.

It is an arithmetic number, because the mean of its divisors is an integer number (1227807360).

Almost surely, 2^83798742258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83798742258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117869506560).

83798742258 is an abundant number, since it is smaller than the sum of its proper divisors (151940270862).

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

83798742258 is a wasteful number, since it uses less digits than its factorization.

83798742258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14013 (or 14010 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 83798742258 in words is "eighty-three billion, seven hundred ninety-eight million, seven hundred forty-two thousand, two hundred fifty-eight".