7896124261 has 2 divisors, whose sum is σ = 7896124262. Its totient is φ = 7896124260.

The previous prime is 7896124219. The next prime is 7896124309. The reversal of 7896124261 is 1624216987.

7896124261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7091324100 + 804800161 = 84210^2 + 28369^2 .

It is a cyclic number.

It is not a de Polignac number, because 7896124261 - 2⁹ = 7896123749 is a prime.

It is a super-2 number, since 2×7896124261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7896124361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3948062130 + 3948062131.

It is an arithmetic number, because the mean of its divisors is an integer number (3948062131).

Almost surely, 2^7896124261 is an apocalyptic number.

It is an amenable number.

7896124261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7896124261 is an equidigital number, since it uses as much as digits as its factorization.

7896124261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 46.

The square root of 7896124261 is about 88860.1387631147. The cubic root of 7896124261 is about 1991.3059499261.

The spelling of 7896124261 in words is "seven billion, eight hundred ninety-six million, one hundred twenty-four thousand, two hundred sixty-one".