51427670623885 has 8 divisors (see below), whose sum is σ = 63026251658496. Its totient is φ = 40266771892560.

The previous prime is 51427670623837. The next prime is 51427670623909. The reversal of 51427670623885 is 58832607672415.

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

It is not a de Polignac number, because 51427670623885 - 2²³ = 51427662235277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109420575561 + ... + 109420576030.

It is an arithmetic number, because the mean of its divisors is an integer number (7878281457312).

Almost surely, 2^{51427670623885} is an apocalyptic number.

It is an amenable number.

51427670623885 is a deficient number, since it is larger than the sum of its proper divisors (11598581034611).

51427670623885 is a wasteful number, since it uses less digits than its factorization.

51427670623885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218841151643.

The product of its (nonzero) digits is 135475200, while the sum is 64.

The spelling of 51427670623885 in words is "fifty-one trillion, four hundred twenty-seven billion, six hundred seventy million, six hundred twenty-three thousand, eight hundred eighty-five".