82374278427 has 48 divisors (see below), whose sum is σ = 144287565600. Its totient is φ = 46299314880.

The previous prime is 82374278401. The next prime is 82374278453. The reversal of 82374278427 is 72487247328.

82374278427 is a `hidden beast` number, since 82 + 3 + 74 + 2 + 78 + 427 = 666.

It is an interprime number because it is at equal distance from previous prime (82374278401) and next prime (82374278453).

It is not a de Polignac number, because 82374278427 - 2¹⁴ = 82374262043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82374278827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 429652 + ... + 591057.

It is an arithmetic number, because the mean of its divisors is an integer number (3005990950).

Almost surely, 2^82374278427 is an apocalyptic number.

82374278427 is a deficient number, since it is larger than the sum of its proper divisors (61913287173).

82374278427 is a wasteful number, since it uses less digits than its factorization.

82374278427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020793 (or 1020780 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 54.

The spelling of 82374278427 in words is "eighty-two billion, three hundred seventy-four million, two hundred seventy-eight thousand, four hundred twenty-seven".