1528885878 has 48 divisors (see below), whose sum is σ = 3317585040. Its totient is φ = 469502592.

The previous prime is 1528885873. The next prime is 1528885879. The reversal of 1528885878 is 8785888251.

1528885878 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1528885873) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660988 + ... + 663296.

It is an arithmetic number, because the mean of its divisors is an integer number (69116355).

Almost surely, 2^1528885878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1528885878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1658792520).

1528885878 is an abundant number, since it is smaller than the sum of its proper divisors (1788699162).

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

1528885878 is a wasteful number, since it uses less digits than its factorization.

1528885878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993 (or 2980 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 60.

The square root of 1528885878 is about 39100.9702948661. The cubic root of 1528885878 is about 1152.0155901271.

It can be divided in two parts, 152888 and 5878, that added together give a triangular number (158766 = T₅₆₃).

The spelling of 1528885878 in words is "one billion, five hundred twenty-eight million, eight hundred eighty-five thousand, eight hundred seventy-eight".