5097463978 has 4 divisors (see below), whose sum is σ = 7646195970. Its totient is φ = 2548731988.

The previous prime is 5097463937. The next prime is 5097463979. The reversal of 5097463978 is 8793647905.

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

It can be written as a sum of positive squares in only one way, i.e., 4163733729 + 933730249 = 64527^2 + 30557^2 .

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5097463979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274365993 + ... + 1274365996.

Almost surely, 2^5097463978 is an apocalyptic number.

5097463978 is a deficient number, since it is larger than the sum of its proper divisors (2548731992).

5097463978 is a wasteful number, since it uses less digits than its factorization.

5097463978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548731991.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The square root of 5097463978 is about 71396.5263720862. The cubic root of 5097463978 is about 1721.0152625566.

The spelling of 5097463978 in words is "five billion, ninety-seven million, four hundred sixty-three thousand, nine hundred seventy-eight".