84477411851923 has 2 divisors, whose sum is σ = 84477411851924. Its totient is φ = 84477411851922.

The previous prime is 84477411851891. The next prime is 84477411851941. The reversal of 84477411851923 is 32915811477448.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84477411851923 - 2⁵ = 84477411851891 is a prime.

It is a super-2 number, since 2×84477411851923² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84477411851953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42238705925961 + 42238705925962.

It is an arithmetic number, because the mean of its divisors is an integer number (42238705925962).

Almost surely, 2^{84477411851923} is an apocalyptic number.

84477411851923 is a deficient number, since it is larger than the sum of its proper divisors (1).

84477411851923 is an equidigital number, since it uses as much as digits as its factorization.

84477411851923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54190080, while the sum is 64.

The spelling of 84477411851923 in words is "eighty-four trillion, four hundred seventy-seven billion, four hundred eleven million, eight hundred fifty-one thousand, nine hundred twenty-three".