47719079 has 2 divisors, whose sum is σ = 47719080. Its totient is φ = 47719078.

The previous prime is 47718967. The next prime is 47719097. The reversal of 47719079 is 97091774.

It is a happy number.

Together with next prime (47719097) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47719079 is a prime.

It is a super-2 number, since 2×47719079² = 4554221001216482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47719579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23859539 + 23859540.

It is an arithmetic number, because the mean of its divisors is an integer number (23859540).

Almost surely, 2^47719079 is an apocalyptic number.

47719079 is a deficient number, since it is larger than the sum of its proper divisors (1).

47719079 is an equidigital number, since it uses as much as digits as its factorization.

47719079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 47719079 is about 6907.8997531811. The cubic root of 47719079 is about 362.7137485319.

The spelling of 47719079 in words is "forty-seven million, seven hundred nineteen thousand, seventy-nine".