4920997108778 has 32 divisors (see below), whose sum is σ = 7449306262272. Its totient is φ = 2438002022400.

The previous prime is 4920997108711. The next prime is 4920997108799. The reversal of 4920997108778 is 8778017990294.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 641335550 + ... + 641343222.

It is an arithmetic number, because the mean of its divisors is an integer number (232790820696).

Almost surely, 2^{4920997108778} is an apocalyptic number.

4920997108778 is a deficient number, since it is larger than the sum of its proper divisors (2528309153494).

4920997108778 is a wasteful number, since it uses less digits than its factorization.

4920997108778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14270.

The product of its (nonzero) digits is 128024064, while the sum is 71.

The spelling of 4920997108778 in words is "four trillion, nine hundred twenty billion, nine hundred ninety-seven million, one hundred eight thousand, seven hundred seventy-eight".