47641979154 has 128 divisors (see below), whose sum is σ = 131252908032. Its totient is φ = 11140208640.

The previous prime is 47641979149. The next prime is 47641979159. The reversal of 47641979154 is 45197914674.

It is an interprime number because it is at equal distance from previous prime (47641979149) and next prime (47641979159).

It is a junction number, because it is equal to n+sod(n) for n = 47641979094 and 47641979103.

It is not an unprimeable number, because it can be changed into a prime (47641979159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48774 + ... + 312510.

It is an arithmetic number, because the mean of its divisors is an integer number (1025413344).

Almost surely, 2^47641979154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47641979154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65626454016).

47641979154 is an abundant number, since it is smaller than the sum of its proper divisors (83610928878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47641979154 is a wasteful number, since it uses less digits than its factorization.

47641979154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263800.

The product of its digits is 7620480, while the sum is 57.

The spelling of 47641979154 in words is "forty-seven billion, six hundred forty-one million, nine hundred seventy-nine thousand, one hundred fifty-four".