46779561 has 12 divisors (see below), whose sum is σ = 68104192. Its totient is φ = 30940056.

The previous prime is 46779559. The next prime is 46779569. The reversal of 46779561 is 16597764.

It is a happy number.

46779561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 46779561 - 2¹ = 46779559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (46779569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19321 + ... + 21606.

Almost surely, 2^46779561 is an apocalyptic number.

It is an amenable number.

46779561 is a deficient number, since it is larger than the sum of its proper divisors (21324631).

46779561 is a wasteful number, since it uses less digits than its factorization.

46779561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41060 (or 41057 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 46779561 is about 6839.5585383854. The cubic root of 46779561 is about 360.3175207896.

It can be divided in two parts, 467795 and 61, that added together give a square (467856 = 684²).

The spelling of 46779561 in words is "forty-six million, seven hundred seventy-nine thousand, five hundred sixty-one".