384207797970 has 24 divisors (see below), whose sum is σ = 998940274956. Its totient is φ = 102455412768.

The previous prime is 384207797959. The next prime is 384207797971. The reversal of 384207797970 is 79797702483.

384207797970 is a `hidden beast` number, since 3 + 8 + 420 + 7 + 79 + 79 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 319746142521 + 64461655449 = 565461^2 + 253893^2 .

It is a super-2 number, since 2×384207797970² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384207797898 and 384207797907.

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 in 11 ways as a sum of consecutive naturals, for example, 2134487677 + ... + 2134487856.

Almost surely, 2^384207797970 is an apocalyptic number.

384207797970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

384207797970 is an abundant number, since it is smaller than the sum of its proper divisors (614732476986).

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

384207797970 is a wasteful number, since it uses less digits than its factorization.

384207797970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268975546 (or 4268975543 counting only the distinct ones).

The product of its (nonzero) digits is 37340352, while the sum is 63.

The spelling of 384207797970 in words is "three hundred eighty-four billion, two hundred seven million, seven hundred ninety-seven thousand, nine hundred seventy".