9972151384 has 16 divisors (see below), whose sum is σ = 20136075120. Its totient is φ = 4602531360.

The previous prime is 9972151369. The next prime is 9972151421. The reversal of 9972151384 is 4831512799.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47942932 + ... + 47943139.

It is an arithmetic number, because the mean of its divisors is an integer number (1258504695).

Almost surely, 2^9972151384 is an apocalyptic number.

It is an amenable number.

9972151384 is an abundant number, since it is smaller than the sum of its proper divisors (10163923736).

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

9972151384 is a wasteful number, since it uses less digits than its factorization.

9972151384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95886090 (or 95886086 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 9972151384 is about 99860.6598416013. The cubic root of 9972151384 is about 2152.4328964950.

The spelling of 9972151384 in words is "nine billion, nine hundred seventy-two million, one hundred fifty-one thousand, three hundred eighty-four".