79481651 has 2 divisors, whose sum is σ = 79481652. Its totient is φ = 79481650.

The previous prime is 79481641. The next prime is 79481671. The reversal of 79481651 is 15618497.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79481651 - 2²² = 75287347 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 79481599 and 79481608.

It is not a weakly prime, because it can be changed into another prime (79481641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39740825 + 39740826.

It is an arithmetic number, because the mean of its divisors is an integer number (39740826).

Almost surely, 2^79481651 is an apocalyptic number.

79481651 is a deficient number, since it is larger than the sum of its proper divisors (1).

79481651 is an equidigital number, since it uses as much as digits as its factorization.

79481651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 79481651 is about 8915.2482298588. The cubic root of 79481651 is about 429.9542965667.

The spelling of 79481651 in words is "seventy-nine million, four hundred eighty-one thousand, six hundred fifty-one".