7796428481 has 4 divisors (see below), whose sum is σ = 7797680772. Its totient is φ = 7795176192.

The previous prime is 7796428477. The next prime is 7796428487. The reversal of 7796428481 is 1848246977.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4269969025 + 3526459456 = 65345^2 + 59384^2 .

It is a cyclic number.

It is not a de Polignac number, because 7796428481 - 2² = 7796428477 is a prime.

It is a super-2 number, since 2×7796428481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7796428487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616760 + ... + 629273.

It is an arithmetic number, because the mean of its divisors is an integer number (1949420193).

Almost surely, 2^7796428481 is an apocalyptic number.

It is an amenable number.

7796428481 is a deficient number, since it is larger than the sum of its proper divisors (1252291).

7796428481 is a wasteful number, since it uses less digits than its factorization.

7796428481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252290.

The product of its digits is 5419008, while the sum is 56.

The square root of 7796428481 is about 88297.3866034550. The cubic root of 7796428481 is about 1982.8897437500.

The spelling of 7796428481 in words is "seven billion, seven hundred ninety-six million, four hundred twenty-eight thousand, four hundred eighty-one".