878485729032 has 36 divisors (see below), whose sum is σ = 2379253722495. Its totient is φ = 292825925328.

The previous prime is 878485729003. The next prime is 878485729061. The reversal of 878485729032 is 230927584878.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

878485729032 is a `hidden beast` number, since 87 + 8 + 485 + 72 + 9 + 0 + 3 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (878485729003) and next prime (878485729061).

It can be written as a sum of positive squares in only one way, i.e., 439242864516 + 439242864516 = 662754^2 + 662754^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=662754.

It is a super-2 number, since 2×878485729032² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7897819 + ... + 8008277.

Almost surely, 2^878485729032 is an apocalyptic number.

It is an amenable number.

878485729032 is an abundant number, since it is smaller than the sum of its proper divisors (1500767993463).

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

878485729032 is an frugal number, since it uses more digits than its factorization.

878485729032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220930 (or 110464 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 878485729032 in words is "eight hundred seventy-eight billion, four hundred eighty-five million, seven hundred twenty-nine thousand, thirty-two".