7901271479 has 8 divisors (see below), whose sum is σ = 8013814368. Its totient is φ = 7789363200.

The previous prime is 7901271439. The next prime is 7901271487. The reversal of 7901271479 is 9741721097.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7901271479 - 2⁸ = 7901271223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7901271409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133547 + ... + 183404.

It is an arithmetic number, because the mean of its divisors is an integer number (1001726796).

Almost surely, 2^7901271479 is an apocalyptic number.

7901271479 is a deficient number, since it is larger than the sum of its proper divisors (112542889).

7901271479 is a wasteful number, since it uses less digits than its factorization.

7901271479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317305.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 7901271479 is about 88889.0965135770. The cubic root of 7901271479 is about 1991.7385444140.

The spelling of 7901271479 in words is "seven billion, nine hundred one million, two hundred seventy-one thousand, four hundred seventy-nine".