4091545977 has 8 divisors (see below), whose sum is σ = 5479218240. Its totient is φ = 2715785520.

The previous prime is 4091545973. The next prime is 4091546119. The reversal of 4091545977 is 7795451904.

4091545977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4091545977 - 2² = 4091545973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091545973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977149 + ... + 2978522.

It is an arithmetic number, because the mean of its divisors is an integer number (684902280).

Almost surely, 2^4091545977 is an apocalyptic number.

It is an amenable number.

4091545977 is a deficient number, since it is larger than the sum of its proper divisors (1387672263).

4091545977 is a wasteful number, since it uses less digits than its factorization.

4091545977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5955903.

The product of its (nonzero) digits is 1587600, while the sum is 51.

The square root of 4091545977 is about 63965.1934805172. The cubic root of 4091545977 is about 1599.4198387470.

The spelling of 4091545977 in words is "four billion, ninety-one million, five hundred forty-five thousand, nine hundred seventy-seven".