48397277591 has 4 divisors (see below), whose sum is σ = 52120145112. Its totient is φ = 44674410072.

The previous prime is 48397277521. The next prime is 48397277633. The reversal of 48397277591 is 19577279384.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 48397277591 - 2¹⁰ = 48397276567 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 (48397277521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861433741 + ... + 1861433766.

It is an arithmetic number, because the mean of its divisors is an integer number (13030036278).

Almost surely, 2^48397277591 is an apocalyptic number.

48397277591 is a deficient number, since it is larger than the sum of its proper divisors (3722867521).

48397277591 is a wasteful number, since it uses less digits than its factorization.

48397277591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3722867520.

The product of its digits is 26671680, while the sum is 62.

The spelling of 48397277591 in words is "forty-eight billion, three hundred ninety-seven million, two hundred seventy-seven thousand, five hundred ninety-one".