271220520078 has 12 divisors (see below), whose sum is σ = 587644460208. Its totient is φ = 90406840020.

The previous prime is 271220520071. The next prime is 271220520079. The reversal of 271220520078 is 870025022172.

271220520078 is a `hidden beast` number, since 2 + 7 + 122 + 0 + 520 + 0 + 7 + 8 = 666.

It is a super-2 number, since 2×271220520078² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271220520071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7533903318 + ... + 7533903353.

It is an arithmetic number, because the mean of its divisors is an integer number (48970371684).

Almost surely, 2^271220520078 is an apocalyptic number.

271220520078 is an abundant number, since it is smaller than the sum of its proper divisors (316423940130).

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

271220520078 is a wasteful number, since it uses less digits than its factorization.

271220520078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067806679 (or 15067806676 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The spelling of 271220520078 in words is "two hundred seventy-one billion, two hundred twenty million, five hundred twenty thousand, seventy-eight".