78001127875134 has 32 divisors (see below), whose sum is σ = 173341859070240. Its totient is φ = 25999473056256.

The previous prime is 78001127875133. The next prime is 78001127875141. The reversal of 78001127875134 is 43157872110087.

78001127875134 is a `hidden beast` number, since 7 + 8 + 0 + 0 + 112 + 7 + 8 + 7 + 513 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78001127875133) 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, 23510307 + ... + 26622110.

It is an arithmetic number, because the mean of its divisors is an integer number (5416933095945).

Almost surely, 2^{78001127875134} is an apocalyptic number.

78001127875134 is an abundant number, since it is smaller than the sum of its proper divisors (95340731195106).

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

78001127875134 is a wasteful number, since it uses less digits than its factorization.

78001127875134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50161241 (or 50161235 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 54.

The spelling of 78001127875134 in words is "seventy-eight trillion, one billion, one hundred twenty-seven million, eight hundred seventy-five thousand, one hundred thirty-four".