4077677110781 has 4 divisors (see below), whose sum is σ = 4154614414812. Its totient is φ = 4000739806752.

The previous prime is 4077677110777. The next prime is 4077677110783. The reversal of 4077677110781 is 1870117767704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2242101943225 + 1835575167556 = 1497365^2 + 1354834^2 .

It is a cyclic number.

It is not a de Polignac number, because 4077677110781 - 2² = 4077677110777 is a prime.

It is a super-2 number, since 2×4077677110781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077677110783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38468651936 + ... + 38468652041.

It is an arithmetic number, because the mean of its divisors is an integer number (1038653603703).

Almost surely, 2^{4077677110781} is an apocalyptic number.

It is an amenable number.

4077677110781 is a deficient number, since it is larger than the sum of its proper divisors (76937304031).

4077677110781 is an equidigital number, since it uses as much as digits as its factorization.

4077677110781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76937304030.

The product of its (nonzero) digits is 3226944, while the sum is 56.

The spelling of 4077677110781 in words is "four trillion, seventy-seven billion, six hundred seventy-seven million, one hundred ten thousand, seven hundred eighty-one".