4077773781 has 16 divisors (see below), whose sum is σ = 5632623360. Its totient is φ = 2620990400.

The previous prime is 4077773729. The next prime is 4077773809. The reversal of 4077773781 is 1873777704.

It is a cyclic number.

It is not a de Polignac number, because 4077773781 - 2¹⁰ = 4077772757 is a prime.

It is a super-2 number, since 2×4077773781² = 33256478018022071922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077773701) by changing a digit.

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, 27556 + ... + 94418.

It is an arithmetic number, because the mean of its divisors is an integer number (352038960).

Almost surely, 2^4077773781 is an apocalyptic number.

It is an amenable number.

4077773781 is a deficient number, since it is larger than the sum of its proper divisors (1554849579).

4077773781 is a wasteful number, since it uses less digits than its factorization.

4077773781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67596.

The product of its (nonzero) digits is 1613472, while the sum is 51.

The square root of 4077773781 is about 63857.4489077038. The cubic root of 4077773781 is about 1597.6232656077.

The spelling of 4077773781 in words is "four billion, seventy-seven million, seven hundred seventy-three thousand, seven hundred eighty-one".