8471255042 has 4 divisors (see below), whose sum is σ = 12706882566. Its totient is φ = 4235627520.

The previous prime is 8471255027. The next prime is 8471255099. The reversal of 8471255042 is 2405521748.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4478152561 + 3993102481 = 66919^2 + 63191^2 .

It is a super-2 number, since 2×8471255042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8471254987 and 8471255005.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2117813759 + ... + 2117813762.

Almost surely, 2^8471255042 is an apocalyptic number.

8471255042 is a deficient number, since it is larger than the sum of its proper divisors (4235627524).

8471255042 is a wasteful number, since it uses less digits than its factorization.

8471255042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235627523.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 8471255042 is about 92039.4211302961. The cubic root of 8471255042 is about 2038.5244232966.

The spelling of 8471255042 in words is "eight billion, four hundred seventy-one million, two hundred fifty-five thousand, forty-two".