8978549052 has 24 divisors (see below), whose sum is σ = 22854488832. Its totient is φ = 2720772400.

The previous prime is 8978549039. The next prime is 8978549053. The reversal of 8978549052 is 2509458798.

It is a happy number.

It is a super-2 number, since 2×8978549052² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8978548983 and 8978549001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978549053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34009524 + ... + 34009787.

It is an arithmetic number, because the mean of its divisors is an integer number (952270368).

Almost surely, 2^8978549052 is an apocalyptic number.

It is an amenable number.

8978549052 is an abundant number, since it is smaller than the sum of its proper divisors (13875939780).

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

8978549052 is a wasteful number, since it uses less digits than its factorization.

8978549052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68019329 (or 68019327 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 57.

The square root of 8978549052 is about 94755.2059361384. The cubic root of 8978549052 is about 2078.4299242951.

The spelling of 8978549052 in words is "eight billion, nine hundred seventy-eight million, five hundred forty-nine thousand, fifty-two".