8978525830 has 16 divisors (see below), whose sum is σ = 16356063024. Its totient is φ = 3548140000.

The previous prime is 8978525821. The next prime is 8978525849. The reversal of 8978525830 is 385258798.

It is a super-2 number, since 2×8978525830² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 5407921 + ... + 5409580.

It is an arithmetic number, because the mean of its divisors is an integer number (1022253939).

Almost surely, 2^8978525830 is an apocalyptic number.

8978525830 is a deficient number, since it is larger than the sum of its proper divisors (7377537194).

8978525830 is a wasteful number, since it uses less digits than its factorization.

8978525830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10817591.

The product of its (nonzero) digits is 4838400, while the sum is 55.

The square root of 8978525830 is about 94755.0833992562. The cubic root of 8978525830 is about 2078.4281324190.

The spelling of 8978525830 in words is "eight billion, nine hundred seventy-eight million, five hundred twenty-five thousand, eight hundred thirty".