7961959 has 2 divisors, whose sum is σ = 7961960. Its totient is φ = 7961958.

The previous prime is 7961957. The next prime is 7961981. The reversal of 7961959 is 9591697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7961959 - 2¹ = 7961957 is a prime.

It is a super-2 number, since 2×7961959² = 126785582235362, which contains 22 as substring.

Together with 7961957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7961951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3980979 + 3980980.

It is an arithmetic number, because the mean of its divisors is an integer number (3980980).

Almost surely, 2^7961959 is an apocalyptic number.

7961959 is a deficient number, since it is larger than the sum of its proper divisors (1).

7961959 is an equidigital number, since it uses as much as digits as its factorization.

7961959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 153090, while the sum is 46.

The square root of 7961959 is about 2821.6943491456. The cubic root of 7961959 is about 199.6824878636.

The spelling of 7961959 in words is "seven million, nine hundred sixty-one thousand, nine hundred fifty-nine".