4778692498 has 4 divisors (see below), whose sum is σ = 7168038750. Its totient is φ = 2389346248.

The previous prime is 4778692459. The next prime is 4778692507. The reversal of 4778692498 is 8942968774.

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., 2790691929 + 1988000569 = 52827^2 + 44587^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194673123 + ... + 1194673126.

Almost surely, 2^4778692498 is an apocalyptic number.

4778692498 is a deficient number, since it is larger than the sum of its proper divisors (2389346252).

4778692498 is a wasteful number, since it uses less digits than its factorization.

4778692498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389346251.

The product of its digits is 48771072, while the sum is 64.

The square root of 4778692498 is about 69128.0876200116. The cubic root of 4778692498 is about 1684.3655943396.

The spelling of 4778692498 in words is "four billion, seven hundred seventy-eight million, six hundred ninety-two thousand, four hundred ninety-eight".