79841963 has 2 divisors, whose sum is σ = 79841964. Its totient is φ = 79841962.

The previous prime is 79841929. The next prime is 79841969. The reversal of 79841963 is 36914897.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 79841963 - 2⁶ = 79841899 is a prime.

It is not a weakly prime, because it can be changed into another prime (79841969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39920981 + 39920982.

It is an arithmetic number, because the mean of its divisors is an integer number (39920982).

Almost surely, 2^79841963 is an apocalyptic number.

79841963 is a deficient number, since it is larger than the sum of its proper divisors (1).

79841963 is an equidigital number, since it uses as much as digits as its factorization.

79841963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 79841963 is about 8935.4330057362. The cubic root of 79841963 is about 430.6030173034.

The spelling of 79841963 in words is "seventy-nine million, eight hundred forty-one thousand, nine hundred sixty-three".