5498654978 has 16 divisors (see below), whose sum is σ = 8393362560. Its totient is φ = 2700929616.

The previous prime is 5498654969. The next prime is 5498654983. The reversal of 5498654978 is 8794568945.

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, 172076 + ... + 201512.

It is an arithmetic number, because the mean of its divisors is an integer number (524585160).

Almost surely, 2^5498654978 is an apocalyptic number.

5498654978 is a deficient number, since it is larger than the sum of its proper divisors (2894707582).

5498654978 is a wasteful number, since it uses less digits than its factorization.

5498654978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31081.

The product of its digits is 87091200, while the sum is 65.

The square root of 5498654978 is about 74152.9161800128. The cubic root of 5498654978 is about 1765.0302651387.

The spelling of 5498654978 in words is "five billion, four hundred ninety-eight million, six hundred fifty-four thousand, nine hundred seventy-eight".