47128377078 has 24 divisors (see below), whose sum is σ = 102220497288. Its totient is φ = 15692687712.

The previous prime is 47128377073. The next prime is 47128377083. The reversal of 47128377078 is 87077382174.

47128377078 is a `hidden beast` number, since 471 + 2 + 8 + 37 + 70 + 78 = 666.

It is an interprime number because it is at equal distance from previous prime (47128377073) and next prime (47128377083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128377073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1380276 + ... + 1414007.

It is an arithmetic number, because the mean of its divisors is an integer number (4259187387).

Almost surely, 2^47128377078 is an apocalyptic number.

47128377078 is an abundant number, since it is smaller than the sum of its proper divisors (55092120210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47128377078 is a wasteful number, since it uses less digits than its factorization.

47128377078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795228 (or 2795225 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 54.

The spelling of 47128377078 in words is "forty-seven billion, one hundred twenty-eight million, three hundred seventy-seven thousand, seventy-eight".