47188877000 has 128 divisors (see below), whose sum is σ = 111398976000. Its totient is φ = 18709465600.

The previous prime is 47188876997. The next prime is 47188877023. The reversal of 47188877000 is 77888174.

It is a happy number.

It is a super-2 number, since 2×47188877000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 47188877000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82932716 + ... + 82933284.

It is an arithmetic number, because the mean of its divisors is an integer number (870304500).

Almost surely, 2^47188877000 is an apocalyptic number.

47188877000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47188877000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55699488000).

47188877000 is an abundant number, since it is smaller than the sum of its proper divisors (64210099000).

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

47188877000 is a wasteful number, since it uses less digits than its factorization.

47188877000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176 (or 1162 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 50.

The spelling of 47188877000 in words is "forty-seven billion, one hundred eighty-eight million, eight hundred seventy-seven thousand".