4156906977 has 12 divisors (see below), whose sum is σ = 6051701760. Its totient is φ = 2749449528.

The previous prime is 4156906939. The next prime is 4156906979. The reversal of 4156906977 is 7796096514.

4156906977 is a `hidden beast` number, since 4 + 1 + 569 + 0 + 6 + 9 + 77 = 666.

It is not a de Polignac number, because 4156906977 - 2¹⁰ = 4156905953 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (4156906979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1817277 + ... + 1819562.

It is an arithmetic number, because the mean of its divisors is an integer number (504308480).

Almost surely, 2^4156906977 is an apocalyptic number.

It is an amenable number.

4156906977 is a deficient number, since it is larger than the sum of its proper divisors (1894794783).

4156906977 is a wasteful number, since it uses less digits than its factorization.

4156906977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3636972 (or 3636969 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The square root of 4156906977 is about 64474.0798848654. The cubic root of 4156906977 is about 1607.8916085418.

The spelling of 4156906977 in words is "four billion, one hundred fifty-six million, nine hundred six thousand, nine hundred seventy-seven".