5408477678 has 4 divisors (see below), whose sum is σ = 8112716520. Its totient is φ = 2704238838.

The previous prime is 5408477653. The next prime is 5408477687. The reversal of 5408477678 is 8767748045.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352119418 + ... + 1352119421.

It is an arithmetic number, because the mean of its divisors is an integer number (2028179130).

Almost surely, 2^5408477678 is an apocalyptic number.

5408477678 is a deficient number, since it is larger than the sum of its proper divisors (2704238842).

5408477678 is a wasteful number, since it uses less digits than its factorization.

5408477678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704238841.

The product of its (nonzero) digits is 10536960, while the sum is 56.

The square root of 5408477678 is about 73542.3529539272. The cubic root of 5408477678 is about 1755.3282695869.

The spelling of 5408477678 in words is "five billion, four hundred eight million, four hundred seventy-seven thousand, six hundred seventy-eight".