7874902961 has 2 divisors, whose sum is σ = 7874902962. Its totient is φ = 7874902960.

The previous prime is 7874902957. The next prime is 7874902993. The reversal of 7874902961 is 1692094787.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5925150625 + 1949752336 = 76975^2 + 44156^2 .

It is a cyclic number.

It is not a de Polignac number, because 7874902961 - 2² = 7874902957 is a prime.

It is not a weakly prime, because it can be changed into another prime (7874907961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3937451480 + 3937451481.

It is an arithmetic number, because the mean of its divisors is an integer number (3937451481).

Almost surely, 2^7874902961 is an apocalyptic number.

It is an amenable number.

7874902961 is a deficient number, since it is larger than the sum of its proper divisors (1).

7874902961 is an equidigital number, since it uses as much as digits as its factorization.

7874902961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The square root of 7874902961 is about 88740.6499919851. The cubic root of 7874902961 is about 1989.5204319838.

The spelling of 7874902961 in words is "seven billion, eight hundred seventy-four million, nine hundred two thousand, nine hundred sixty-one".