7842696481 has 27 divisors (see below), whose sum is σ = 8527793841. Its totient is φ = 7211536488.

The previous prime is 7842696467. The next prime is 7842696487. The reversal of 7842696481 is 1846962487.

It is a happy number.

The square root of 7842696481 is 88559.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 7842696481 - 2¹³ = 7842688289 is a prime.

It is a super-2 number, since 2×7842696481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7842696487) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 99274600 + ... + 99274678.

Almost surely, 2^7842696481 is an apocalyptic number.

7842696481 is the 88559-th square number.

7842696481 is the 44280-th centered octagonal number.

It is an amenable number.

7842696481 is a deficient number, since it is larger than the sum of its proper divisors (685097360).

7842696481 is an frugal number, since it uses more digits than its factorization.

7842696481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 157 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The cubic root of 7842696481 is about 1986.8045043316.

The spelling of 7842696481 in words is "seven billion, eight hundred forty-two million, six hundred ninety-six thousand, four hundred eighty-one".