46778613 has 16 divisors (see below), whose sum is σ = 71377536. Its totient is φ = 26694720.

The previous prime is 46778609. The next prime is 46778623. The reversal of 46778613 is 31687764.

It is not a de Polignac number, because 46778613 - 2² = 46778609 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46778623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28195 + ... + 29807.

It is an arithmetic number, because the mean of its divisors is an integer number (4461096).

Almost surely, 2^46778613 is an apocalyptic number.

It is an amenable number.

46778613 is a deficient number, since it is larger than the sum of its proper divisors (24598923).

46778613 is a wasteful number, since it uses less digits than its factorization.

46778613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004.

The product of its digits is 169344, while the sum is 42.

The square root of 46778613 is about 6839.4892353157. The cubic root of 46778613 is about 360.3150867969.

The spelling of 46778613 in words is "forty-six million, seven hundred seventy-eight thousand, six hundred thirteen".