7616261287 has 2 divisors, whose sum is σ = 7616261288. Its totient is φ = 7616261286.

The previous prime is 7616261251. The next prime is 7616261293. The reversal of 7616261287 is 7821626167.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7821626167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7616261287 - 2¹¹ = 7616259239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7616261087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3808130643 + 3808130644.

It is an arithmetic number, because the mean of its divisors is an integer number (3808130644).

Almost surely, 2^7616261287 is an apocalyptic number.

7616261287 is a deficient number, since it is larger than the sum of its proper divisors (1).

7616261287 is an equidigital number, since it uses as much as digits as its factorization.

7616261287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 46.

The square root of 7616261287 is about 87271.1939129974. The cubic root of 7616261287 is about 1967.4963933227.

The spelling of 7616261287 in words is "seven billion, six hundred sixteen million, two hundred sixty-one thousand, two hundred eighty-seven".