51379842886 has 8 divisors (see below), whose sum is σ = 77159487240. Its totient is φ = 25660013808.

The previous prime is 51379842863. The next prime is 51379842887. The reversal of 51379842886 is 68824897315.

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

It is a super-3 number, since 3×51379842886³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51379842887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14951671 + ... + 14955106.

It is an arithmetic number, because the mean of its divisors is an integer number (9644935905).

Almost surely, 2^51379842886 is an apocalyptic number.

51379842886 is a deficient number, since it is larger than the sum of its proper divisors (25779644354).

51379842886 is a wasteful number, since it uses less digits than its factorization.

51379842886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29907638.

The product of its digits is 23224320, while the sum is 61.

The spelling of 51379842886 in words is "fifty-one billion, three hundred seventy-nine million, eight hundred forty-two thousand, eight hundred eighty-six".