384207797972 has 6 divisors (see below), whose sum is σ = 672363646458. Its totient is φ = 192103898984.

The previous prime is 384207797971. The next prime is 384207798031. The reversal of 384207797972 is 279797702483.

It can be written as a sum of positive squares in only one way, i.e., 294421271236 + 89786526736 = 542606^2 + 299644^2 .

It is a junction number, because it is equal to n+sod(n) for n = 384207797899 and 384207797908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384207797971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48025974743 + ... + 48025974750.

It is an arithmetic number, because the mean of its divisors is an integer number (112060607743).

Almost surely, 2^384207797972 is an apocalyptic number.

It is an amenable number.

384207797972 is a deficient number, since it is larger than the sum of its proper divisors (288155848486).

384207797972 is a wasteful number, since it uses less digits than its factorization.

384207797972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96051949497 (or 96051949495 counting only the distinct ones).

The product of its (nonzero) digits is 74680704, while the sum is 65.

The spelling of 384207797972 in words is "three hundred eighty-four billion, two hundred seven million, seven hundred ninety-seven thousand, nine hundred seventy-two".