4077506861 has 4 divisors (see below), whose sum is σ = 4254789792. Its totient is φ = 3900223932.

The previous prime is 4077506857. The next prime is 4077506879. The reversal of 4077506861 is 1686057704.

4077506861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4077506861 - 2² = 4077506857 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4077506161) 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, 88641431 + ... + 88641476.

It is an arithmetic number, because the mean of its divisors is an integer number (1063697448).

Almost surely, 2^4077506861 is an apocalyptic number.

It is an amenable number.

4077506861 is a deficient number, since it is larger than the sum of its proper divisors (177282931).

4077506861 is a wasteful number, since it uses less digits than its factorization.

4077506861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177282930.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 4077506861 is about 63855.3589058898. The cubic root of 4077506861 is about 1597.5884061534.

The spelling of 4077506861 in words is "four billion, seventy-seven million, five hundred six thousand, eight hundred sixty-one".