5605459978 has 16 divisors (see below), whose sum is σ = 8459458560. Its totient is φ = 2785666000.

The previous prime is 5605459969. The next prime is 5605459991. The reversal of 5605459978 is 8799545065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491343 + ... + 502621.

It is an arithmetic number, because the mean of its divisors is an integer number (528716160).

Almost surely, 2^5605459978 is an apocalyptic number.

5605459978 is a deficient number, since it is larger than the sum of its proper divisors (2853998582).

5605459978 is a wasteful number, since it uses less digits than its factorization.

5605459978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12773.

The product of its (nonzero) digits is 13608000, while the sum is 58.

The square root of 5605459978 is about 74869.6198601275. The cubic root of 5605459978 is about 1776.3849512942.

The spelling of 5605459978 in words is "five billion, six hundred five million, four hundred fifty-nine thousand, nine hundred seventy-eight".