61034884820 has 48 divisors (see below), whose sum is σ = 157751707008. Its totient is φ = 19316534400.

The previous prime is 61034884817. The next prime is 61034884901. The reversal of 61034884820 is 2848843016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16766006 + ... + 16769645.

It is an arithmetic number, because the mean of its divisors is an integer number (3286493896).

Almost surely, 2^61034884820 is an apocalyptic number.

It is an amenable number.

61034884820 is an abundant number, since it is smaller than the sum of its proper divisors (96716822188).

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

61034884820 is a wasteful number, since it uses less digits than its factorization.

61034884820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535680 (or 33535678 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 61034884820 in words is "sixty-one billion, thirty-four million, eight hundred eighty-four thousand, eight hundred twenty".