5571245978 has 8 divisors (see below), whose sum is σ = 8720211168. Its totient is φ = 2664508924.

The previous prime is 5571245959. The next prime is 5571245983. The reversal of 5571245978 is 8795421755.

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, 60556976 + ... + 60557067.

It is an arithmetic number, because the mean of its divisors is an integer number (1090026396).

Almost surely, 2^5571245978 is an apocalyptic number.

5571245978 is a deficient number, since it is larger than the sum of its proper divisors (3148965190).

5571245978 is a wasteful number, since it uses less digits than its factorization.

5571245978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121114068.

The product of its digits is 3528000, while the sum is 53.

The square root of 5571245978 is about 74640.7795913199. The cubic root of 5571245978 is about 1772.7634042577.

The spelling of 5571245978 in words is "five billion, five hundred seventy-one million, two hundred forty-five thousand, nine hundred seventy-eight".