47877696449 has 8 divisors (see below), whose sum is σ = 52718348448. Its totient is φ = 43118400160.

The previous prime is 47877696407. The next prime is 47877696491. The reversal of 47877696449 is 94469677874.

It is an interprime number because it is at equal distance from previous prime (47877696407) and next prime (47877696491).

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

It is not a de Polignac number, because 47877696449 - 2¹² = 47877692353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47877692449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20337692 + ... + 20340045.

It is an arithmetic number, because the mean of its divisors is an integer number (6589793556).

Almost surely, 2^47877696449 is an apocalyptic number.

It is an amenable number.

47877696449 is a deficient number, since it is larger than the sum of its proper divisors (4840651999).

47877696449 is a wasteful number, since it uses less digits than its factorization.

47877696449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40677855.

The product of its digits is 512096256, while the sum is 71.

The spelling of 47877696449 in words is "forty-seven billion, eight hundred seventy-seven million, six hundred ninety-six thousand, four hundred forty-nine".