47155465798378 has 32 divisors (see below), whose sum is σ = 82281249757440. Its totient is φ = 19850774536320.

The previous prime is 47155465798339. The next prime is 47155465798379. The reversal of 47155465798378 is 87389756455174.

It is a junction number, because it is equal to n+sod(n) for n = 47155465798298 and 47155465798307.

It is not an unprimeable number, because it can be changed into a prime (47155465798379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87911251 + ... + 88446022.

It is an arithmetic number, because the mean of its divisors is an integer number (2571289054920).

Almost surely, 2^{47155465798378} is an apocalyptic number.

47155465798378 is a deficient number, since it is larger than the sum of its proper divisors (35125783959062).

47155465798378 is a wasteful number, since it uses less digits than its factorization.

47155465798378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176357622.

The product of its digits is 7112448000, while the sum is 79.

The spelling of 47155465798378 in words is "forty-seven trillion, one hundred fifty-five billion, four hundred sixty-five million, seven hundred ninety-eight thousand, three hundred seventy-eight".