83445781050 has 72 divisors (see below), whose sum is σ = 228961077696. Its totient is φ = 21778751520.

The previous prime is 83445781049. The next prime is 83445781063. The reversal of 83445781050 is 5018754438.

83445781050 is a `hidden beast` number, since 83 + 445 + 7 + 81 + 0 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 83445780987 and 83445781005.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1951564 + ... + 1993863.

It is an arithmetic number, because the mean of its divisors is an integer number (3180014968).

Almost surely, 2^83445781050 is an apocalyptic number.

83445781050 is an abundant number, since it is smaller than the sum of its proper divisors (145515296646).

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

83445781050 is a wasteful number, since it uses less digits than its factorization.

83445781050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945492 (or 3945484 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 83445781050 in words is "eighty-three billion, four hundred forty-five million, seven hundred eighty-one thousand, fifty".