46189777 has 2 divisors, whose sum is σ = 46189778. Its totient is φ = 46189776.

The previous prime is 46189771. The next prime is 46189811. The reversal of 46189777 is 77798164.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31259281 + 14930496 = 5591^2 + 3864^2 .

It is a cyclic number.

It is not a de Polignac number, because 46189777 - 2³ = 46189769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 46189777.

It is not a weakly prime, because it can be changed into another prime (46189771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23094888 + 23094889.

It is an arithmetic number, because the mean of its divisors is an integer number (23094889).

Almost surely, 2^46189777 is an apocalyptic number.

It is an amenable number.

46189777 is a deficient number, since it is larger than the sum of its proper divisors (1).

46189777 is an equidigital number, since it uses as much as digits as its factorization.

46189777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 49.

The square root of 46189777 is about 6796.3061290675. The cubic root of 46189777 is about 358.7968502230.

It can be divided in two parts, 46189 and 777, that multiplied together give a palindrome (35888853).

The spelling of 46189777 in words is "forty-six million, one hundred eighty-nine thousand, seven hundred seventy-seven".