4680918778 has 4 divisors (see below), whose sum is σ = 7021378170. Its totient is φ = 2340459388.

The previous prime is 4680918757. The next prime is 4680918787. The reversal of 4680918778 is 8778190864.

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., 3951756769 + 729162009 = 62863^2 + 27003^2 .

It is a super-2 number, since 2×4680918778² = 43822001212466026568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170229693 + ... + 1170229696.

Almost surely, 2^4680918778 is an apocalyptic number.

4680918778 is a deficient number, since it is larger than the sum of its proper divisors (2340459392).

4680918778 is a wasteful number, since it uses less digits than its factorization.

4680918778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340459391.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The square root of 4680918778 is about 68417.2403565066. The cubic root of 4680918778 is about 1672.7987751484.

The spelling of 4680918778 in words is "four billion, six hundred eighty million, nine hundred eighteen thousand, seven hundred seventy-eight".