52169478779 has 32 divisors (see below), whose sum is σ = 61048028160. Its totient is φ = 44080740000.

The previous prime is 52169478701. The next prime is 52169478797. The reversal of 52169478779 is 97787496125.

It is not a de Polignac number, because 52169478779 - 2¹⁶ = 52169413243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52169478479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3507332 + ... + 3522174.

It is an arithmetic number, because the mean of its divisors is an integer number (1907750880).

Almost surely, 2^52169478779 is an apocalyptic number.

52169478779 is a deficient number, since it is larger than the sum of its proper divisors (8878549381).

52169478779 is a wasteful number, since it uses less digits than its factorization.

52169478779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15191.

The product of its digits is 53343360, while the sum is 65.

The spelling of 52169478779 in words is "fifty-two billion, one hundred sixty-nine million, four hundred seventy-eight thousand, seven hundred seventy-nine".