8978146534 has 16 divisors (see below), whose sum is σ = 15392908800. Its totient is φ = 3847326984.

The previous prime is 8978146519. The next prime is 8978146537. The reversal of 8978146534 is 4356418798.

It is a super-3 number, since 3×8978146534³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8978146537) 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, 105157 + ... + 170335.

It is an arithmetic number, because the mean of its divisors is an integer number (962056800).

Almost surely, 2^8978146534 is an apocalyptic number.

8978146534 is a deficient number, since it is larger than the sum of its proper divisors (6414762266).

8978146534 is a wasteful number, since it uses less digits than its factorization.

8978146534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75027.

The product of its digits is 5806080, while the sum is 55.

The square root of 8978146534 is about 94753.0819234921. The cubic root of 8978146534 is about 2078.3988644155.

The spelling of 8978146534 in words is "eight billion, nine hundred seventy-eight million, one hundred forty-six thousand, five hundred thirty-four".