46977778 has 8 divisors (see below), whose sum is σ = 70592220. Its totient is φ = 23447040.

The previous prime is 46977757. The next prime is 46977781. The reversal of 46977778 is 87777964.

46977778 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 2 ways, for example, as 44796249 + 2181529 = 6693^2 + 1477^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19503 + ... + 21778.

Almost surely, 2^46977778 is an apocalyptic number.

46977778 is a deficient number, since it is larger than the sum of its proper divisors (23614442).

46977778 is a wasteful number, since it uses less digits than its factorization.

46977778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41852.

The product of its digits is 4148928, while the sum is 55.

The square root of 46977778 is about 6854.0337028643. The cubic root of 46977778 is about 360.8257229249.

The spelling of 46977778 in words is "forty-six million, nine hundred seventy-seven thousand, seven hundred seventy-eight".