7826381282 has 4 divisors (see below), whose sum is σ = 11739571926. Its totient is φ = 3913190640.

The previous prime is 7826381261. The next prime is 7826381291. The reversal of 7826381282 is 2821836287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2821836287 = 31 ⋅91026977.

It can be written as a sum of positive squares in only one way, i.e., 7761433801 + 64947481 = 88099^2 + 8059^2 .

It is a super-2 number, since 2×7826381282² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1956595319 + ... + 1956595322.

Almost surely, 2^7826381282 is an apocalyptic number.

7826381282 is a deficient number, since it is larger than the sum of its proper divisors (3913190644).

7826381282 is a wasteful number, since it uses less digits than its factorization.

7826381282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913190643.

The product of its digits is 516096, while the sum is 47.

The square root of 7826381282 is about 88466.8371877281. The cubic root of 7826381282 is about 1985.4258282293.

The spelling of 7826381282 in words is "seven billion, eight hundred twenty-six million, three hundred eighty-one thousand, two hundred eighty-two".