48947987869 has 8 divisors (see below), whose sum is σ = 53401079808. Its totient is φ = 44495441760.

The previous prime is 48947987863. The next prime is 48947987887. The reversal of 48947987869 is 96878974984.

48947987869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 48947987869 - 2¹³ = 48947979677 is a prime.

It is a super-2 number, since 2×48947987869² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48947987863) 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, 63844 + ... + 319330.

It is an arithmetic number, because the mean of its divisors is an integer number (6675134976).

Almost surely, 2^48947987869 is an apocalyptic number.

It is an amenable number.

48947987869 is a deficient number, since it is larger than the sum of its proper divisors (4453091939).

48947987869 is a wasteful number, since it uses less digits than its factorization.

48947987869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272915.

The product of its digits is 1755758592, while the sum is 79.

The spelling of 48947987869 in words is "forty-eight billion, nine hundred forty-seven million, nine hundred eighty-seven thousand, eight hundred sixty-nine".