83052778061 has 16 divisors (see below), whose sum is σ = 96081033600. Its totient is φ = 70951265280.

The previous prime is 83052778051. The next prime is 83052778117. The reversal of 83052778061 is 16087725038.

It is a happy number.

It is not a de Polignac number, because 83052778061 - 2²² = 83048583757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83052777997 and 83052778015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83052778021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222236 + ... + 464213.

It is an arithmetic number, because the mean of its divisors is an integer number (6005064600).

Almost surely, 2^83052778061 is an apocalyptic number.

It is an amenable number.

83052778061 is a deficient number, since it is larger than the sum of its proper divisors (13028255539).

83052778061 is a wasteful number, since it uses less digits than its factorization.

83052778061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687124.

The product of its (nonzero) digits is 564480, while the sum is 47.

The spelling of 83052778061 in words is "eighty-three billion, fifty-two million, seven hundred seventy-eight thousand, sixty-one".