79735451 has 2 divisors, whose sum is σ = 79735452. Its totient is φ = 79735450.

The previous prime is 79735393. The next prime is 79735463. The reversal of 79735451 is 15453797.

It is a strong prime.

It is an emirp because it is prime and its reverse (15453797) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79735451 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 79735399 and 79735408.

It is not a weakly prime, because it can be changed into another prime (79735351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39867725 + 39867726.

It is an arithmetic number, because the mean of its divisors is an integer number (39867726).

Almost surely, 2^79735451 is an apocalyptic number.

79735451 is a deficient number, since it is larger than the sum of its proper divisors (1).

79735451 is an equidigital number, since it uses as much as digits as its factorization.

79735451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132300, while the sum is 41.

The square root of 79735451 is about 8929.4709249765. The cubic root of 79735451 is about 430.4114522129.

The spelling of 79735451 in words is "seventy-nine million, seven hundred thirty-five thousand, four hundred fifty-one".