4778902179 has 8 divisors (see below), whose sum is σ = 7079855120. Its totient is φ = 3185934768.

The previous prime is 4778902171. The next prime is 4778902217. The reversal of 4778902179 is 9712098774.

4778902179 is a `hidden beast` number, since 477 + 89 + 0 + 21 + 79 = 666.

It is not a de Polignac number, because 4778902179 - 2³ = 4778902171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4778902171) 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, 88498162 + ... + 88498215.

It is an arithmetic number, because the mean of its divisors is an integer number (884981890).

Almost surely, 2^4778902179 is an apocalyptic number.

4778902179 is a deficient number, since it is larger than the sum of its proper divisors (2300952941).

4778902179 is a wasteful number, since it uses less digits than its factorization.

4778902179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176996386 (or 176996380 counting only the distinct ones).

The product of its (nonzero) digits is 1778112, while the sum is 54.

The square root of 4778902179 is about 69129.6042155602. The cubic root of 4778902179 is about 1684.3902296903.

The spelling of 4778902179 in words is "four billion, seven hundred seventy-eight million, nine hundred two thousand, one hundred seventy-nine".