53195177878 has 8 divisors (see below), whose sum is σ = 80802802080. Its totient is φ = 26260910520.

The previous prime is 53195177869. The next prime is 53195177899. The reversal of 53195177878 is 87877159135.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168339013 + ... + 168339328.

It is an arithmetic number, because the mean of its divisors is an integer number (10100350260).

Almost surely, 2^53195177878 is an apocalyptic number.

53195177878 is a deficient number, since it is larger than the sum of its proper divisors (27607624202).

53195177878 is a wasteful number, since it uses less digits than its factorization.

53195177878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336678422.

The product of its digits is 14817600, while the sum is 61.

The spelling of 53195177878 in words is "fifty-three billion, one hundred ninety-five million, one hundred seventy-seven thousand, eight hundred seventy-eight".