4995662378 has 32 divisors (see below), whose sum is σ = 8661945600. Its totient is φ = 2116560384.

The previous prime is 4995662333. The next prime is 4995662401. The reversal of 4995662378 is 8732665994.

It is a super-2 number, since 2×4995662378² = 49913285189929229768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789808 + ... + 1792596.

It is an arithmetic number, because the mean of its divisors is an integer number (270685800).

Almost surely, 2^4995662378 is an apocalyptic number.

4995662378 is a deficient number, since it is larger than the sum of its proper divisors (3666283222).

4995662378 is a wasteful number, since it uses less digits than its factorization.

4995662378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214.

The product of its digits is 19595520, while the sum is 59.

The square root of 4995662378 is about 70679.9998443690. Note that the first 3 decimals coincide. The cubic root of 4995662378 is about 1709.4813216636.

The spelling of 4995662378 in words is "four billion, nine hundred ninety-five million, six hundred sixty-two thousand, three hundred seventy-eight".