948772128 has 48 divisors (see below), whose sum is σ = 2508740640. Its totient is φ = 313944576.

The previous prime is 948772117. The next prime is 948772147. The reversal of 948772128 is 821277849.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22918 + ... + 49221.

It is an arithmetic number, because the mean of its divisors is an integer number (52265430).

Almost surely, 2^948772128 is an apocalyptic number.

It is an amenable number.

948772128 is an abundant number, since it is smaller than the sum of its proper divisors (1559968512).

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

948772128 is a wasteful number, since it uses less digits than its factorization.

948772128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72289 (or 72281 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 948772128 is about 30802.1448603827. The cubic root of 948772128 is about 982.6238612629.

The spelling of 948772128 in words is "nine hundred forty-eight million, seven hundred seventy-two thousand, one hundred twenty-eight".