61803107828 has 24 divisors (see below), whose sum is σ = 134843145024. Its totient is φ = 24079132800.

The previous prime is 61803107803. The next prime is 61803107851. The reversal of 61803107828 is 82870130816.

61803107828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 100329413 + ... + 100330028.

It is an arithmetic number, because the mean of its divisors is an integer number (5618464376).

Almost surely, 2^61803107828 is an apocalyptic number.

It is an amenable number.

61803107828 is an abundant number, since it is smaller than the sum of its proper divisors (73040037196).

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

61803107828 is a wasteful number, since it uses less digits than its factorization.

61803107828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200659463 (or 200659461 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 44.

The spelling of 61803107828 in words is "sixty-one billion, eight hundred three million, one hundred seven thousand, eight hundred twenty-eight".