93789857454479 has 2 divisors, whose sum is σ = 93789857454480. Its totient is φ = 93789857454478.

The previous prime is 93789857454317. The next prime is 93789857454499. The reversal of 93789857454479 is 97445475898739.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93789857454479 - 2¹⁶ = 93789857388943 is a prime.

It is a super-2 number, since 2×93789857454479² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 93789857454394 and 93789857454403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93789857454499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46894928727239 + 46894928727240.

It is an arithmetic number, because the mean of its divisors is an integer number (46894928727240).

Almost surely, 2^{93789857454479} is an apocalyptic number.

93789857454479 is a deficient number, since it is larger than the sum of its proper divisors (1).

93789857454479 is an equidigital number, since it uses as much as digits as its factorization.

93789857454479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 76814438400, while the sum is 89.

The spelling of 93789857454479 in words is "ninety-three trillion, seven hundred eighty-nine billion, eight hundred fifty-seven million, four hundred fifty-four thousand, four hundred seventy-nine".