48781678281 has 64 divisors (see below), whose sum is σ = 76022808576. Its totient is φ = 27251380800.

The previous prime is 48781678249. The next prime is 48781678291. The reversal of 48781678281 is 18287618784.

It is not a de Polignac number, because 48781678281 - 2⁵ = 48781678249 is a prime.

It is a super-2 number, since 2×48781678281² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48781678291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 85431726 + ... + 85432296.

It is an arithmetic number, because the mean of its divisors is an integer number (1187856384).

Almost surely, 2^48781678281 is an apocalyptic number.

It is an amenable number.

48781678281 is a deficient number, since it is larger than the sum of its proper divisors (27241130295).

48781678281 is a wasteful number, since it uses less digits than its factorization.

48781678281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122.

The product of its digits is 9633792, while the sum is 60.

The spelling of 48781678281 in words is "forty-eight billion, seven hundred eighty-one million, six hundred seventy-eight thousand, two hundred eighty-one".