4662939978 has 24 divisors (see below), whose sum is σ = 10105069728. Its totient is φ = 1554000552.

The previous prime is 4662939977. The next prime is 4662939997. The reversal of 4662939978 is 8799392664.

It is not an unprimeable number, because it can be changed into a prime (4662939977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76851 + ... + 123417.

It is an arithmetic number, because the mean of its divisors is an integer number (421044572).

Almost surely, 2^4662939978 is an apocalyptic number.

4662939978 is an abundant number, since it is smaller than the sum of its proper divisors (5442129750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4662939978 is a wasteful number, since it uses less digits than its factorization.

4662939978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52138 (or 52135 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 63.

The square root of 4662939978 is about 68285.7230905553. The cubic root of 4662939978 is about 1670.6543598437.

The spelling of 4662939978 in words is "four billion, six hundred sixty-two million, nine hundred thirty-nine thousand, nine hundred seventy-eight".