9881630038 has 16 divisors (see below), whose sum is σ = 16942006944. Its totient is φ = 4234466880.

The previous prime is 9881629987. The next prime is 9881630041. The reversal of 9881630038 is 8300361889.

It is a super-2 number, since 2×9881630038² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9881630038.

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, 89658 + ... + 166738.

It is an arithmetic number, because the mean of its divisors is an integer number (1058875434).

Almost surely, 2^9881630038 is an apocalyptic number.

9881630038 is a deficient number, since it is larger than the sum of its proper divisors (7060376906).

9881630038 is a wasteful number, since it uses less digits than its factorization.

9881630038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86247.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 9881630038 is about 99406.3883158422. The cubic root of 9881630038 is about 2145.9002484622.

The spelling of 9881630038 in words is "nine billion, eight hundred eighty-one million, six hundred thirty thousand, thirty-eight".