79047461 has 2 divisors, whose sum is σ = 79047462. Its totient is φ = 79047460.

The previous prime is 79047439. The next prime is 79047469. The reversal of 79047461 is 16474097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77986561 + 1060900 = 8831^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 79047461 - 2¹⁴ = 79031077 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79047469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39523730 + 39523731.

It is an arithmetic number, because the mean of its divisors is an integer number (39523731).

Almost surely, 2^79047461 is an apocalyptic number.

It is an amenable number.

79047461 is a deficient number, since it is larger than the sum of its proper divisors (1).

79047461 is an equidigital number, since it uses as much as digits as its factorization.

79047461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 79047461 is about 8890.8639062804. The cubic root of 79047461 is about 429.1699527487.

The spelling of 79047461 in words is "seventy-nine million, forty-seven thousand, four hundred sixty-one".