384654623077 has 4 divisors (see below), whose sum is σ = 385365630316. Its totient is φ = 383943615840.

The previous prime is 384654623053. The next prime is 384654623083. The reversal of 384654623077 is 770326456483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230938874721 + 153715748356 = 480561^2 + 392066^2 .

It is a cyclic number.

It is not a de Polignac number, because 384654623077 - 2⁷ = 384654622949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384654623777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355502808 + ... + 355503889.

It is an arithmetic number, because the mean of its divisors is an integer number (96341407579).

Almost surely, 2^384654623077 is an apocalyptic number.

It is an amenable number.

384654623077 is a deficient number, since it is larger than the sum of its proper divisors (711007239).

384654623077 is an equidigital number, since it uses as much as digits as its factorization.

384654623077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711007238.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 384654623077 in words is "three hundred eighty-four billion, six hundred fifty-four million, six hundred twenty-three thousand, seventy-seven".