8039970500 has 48 divisors (see below), whose sum is σ = 18033912624. Its totient is φ = 3129062400.

The previous prime is 8039970493. The next prime is 8039970509. The reversal of 8039970500 is 50799308.

It can be written as a sum of positive squares in 8 ways, for example, as 1442632324 + 6597338176 = 37982^2 + 81224^2 .

It is a super-2 number, since 2×8039970500² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8039970509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198797 + ... + 235796.

It is an arithmetic number, because the mean of its divisors is an integer number (375706513).

Almost surely, 2^8039970500 is an apocalyptic number.

It is an amenable number.

8039970500 is an abundant number, since it is smaller than the sum of its proper divisors (9993942124).

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

8039970500 is a wasteful number, since it uses less digits than its factorization.

8039970500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434649 (or 434637 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 8039970500 is about 89665.8825864108. The cubic root of 8039970500 is about 2003.3253429827.

The spelling of 8039970500 in words is "eight billion, thirty-nine million, nine hundred seventy thousand, five hundred".