388854231547 has 2 divisors, whose sum is σ = 388854231548. Its totient is φ = 388854231546.

The previous prime is 388854231511. The next prime is 388854231613. The reversal of 388854231547 is 745132458883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 388854231547 - 2²⁷ = 388720013819 is a prime.

It is a super-2 number, since 2×388854231547² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388854231491 and 388854231500.

It is not a weakly prime, because it can be changed into another prime (388854231347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194427115773 + 194427115774.

It is an arithmetic number, because the mean of its divisors is an integer number (194427115774).

Almost surely, 2^388854231547 is an apocalyptic number.

388854231547 is a deficient number, since it is larger than the sum of its proper divisors (1).

388854231547 is an equidigital number, since it uses as much as digits as its factorization.

388854231547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25804800, while the sum is 58.

The spelling of 388854231547 in words is "three hundred eighty-eight billion, eight hundred fifty-four million, two hundred thirty-one thousand, five hundred forty-seven".