46677780 has 36 divisors (see below), whose sum is σ = 141589812. Its totient is φ = 12447360.

The previous prime is 46677779. The next prime is 46677781. The reversal of 46677780 is 8777664.

It is an interprime number because it is at equal distance from previous prime (46677779) and next prime (46677781).

It can be written as a sum of positive squares in 2 ways, for example, as 6380676 + 40297104 = 2526^2 + 6348^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46677781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129481 + ... + 129840.

Almost surely, 2^46677780 is an apocalyptic number.

It is an amenable number.

46677780 is an abundant number, since it is smaller than the sum of its proper divisors (94912032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46677780 is a wasteful number, since it uses less digits than its factorization.

46677780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259336 (or 259331 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 46677780 is about 6832.1138749292. The cubic root of 46677780 is about 360.0560098039.

The spelling of 46677780 in words is "forty-six million, six hundred seventy-seven thousand, seven hundred eighty".