5387641517878 has 8 divisors (see below), whose sum is σ = 8432830201968. Its totient is φ = 2576698117224.

The previous prime is 5387641517849. The next prime is 5387641517903. The reversal of 5387641517878 is 8787151467835.

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

It is a super-2 number, since 2×5387641517878² (a number of 26 digits) contains 22 as substring.

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, 58561320801 + ... + 58561320892.

It is an arithmetic number, because the mean of its divisors is an integer number (1054103775246).

Almost surely, 2^{5387641517878} is an apocalyptic number.

5387641517878 is a deficient number, since it is larger than the sum of its proper divisors (3045188684090).

5387641517878 is a wasteful number, since it uses less digits than its factorization.

5387641517878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117122641718.

The product of its digits is 316108800, while the sum is 70.

The spelling of 5387641517878 in words is "five trillion, three hundred eighty-seven billion, six hundred forty-one million, five hundred seventeen thousand, eight hundred seventy-eight".