48780479999 has 4 divisors (see below), whose sum is σ = 49011667320. Its totient is φ = 48549292680.

The previous prime is 48780479971. The next prime is 48780480013. The reversal of 48780479999 is 99997408784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48780479999 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 (48780479929) 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 3 ways as a sum of consecutive naturals, for example, 115593344 + ... + 115593765.

It is an arithmetic number, because the mean of its divisors is an integer number (12252916830).

Almost surely, 2^48780479999 is an apocalyptic number.

48780479999 is a deficient number, since it is larger than the sum of its proper divisors (231187321).

48780479999 is a wasteful number, since it uses less digits than its factorization.

48780479999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231187320.

The product of its (nonzero) digits is 329204736, while the sum is 74.

The spelling of 48780479999 in words is "forty-eight billion, seven hundred eighty million, four hundred seventy-nine thousand, nine hundred ninety-nine".