52780919694 has 32 divisors (see below), whose sum is σ = 111786544800. Its totient is φ = 16556470272.

The previous prime is 52780919669. The next prime is 52780919699. The reversal of 52780919694 is 49691908725.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52780919699) 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, 821032 + ... + 882980.

It is an arithmetic number, because the mean of its divisors is an integer number (3493329525).

Almost surely, 2^52780919694 is an apocalyptic number.

52780919694 is an abundant number, since it is smaller than the sum of its proper divisors (59005625106).

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

52780919694 is a wasteful number, since it uses less digits than its factorization.

52780919694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70324.

The product of its (nonzero) digits is 9797760, while the sum is 60.

The spelling of 52780919694 in words is "fifty-two billion, seven hundred eighty million, nine hundred nineteen thousand, six hundred ninety-four".