4798407177991 has 16 divisors (see below), whose sum is σ = 5486738826240. Its totient is φ = 4110787294560.

The previous prime is 4798407177983. The next prime is 4798407178001. The reversal of 4798407177991 is 1997717048974.

It is a cyclic number.

It is not a de Polignac number, because 4798407177991 - 2³ = 4798407177983 is a prime.

It is a super-2 number, since 2×4798407177991² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4798407177931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135995490 + ... + 136030768.

It is an arithmetic number, because the mean of its divisors is an integer number (342921176640).

Almost surely, 2^{4798407177991} is an apocalyptic number.

4798407177991 is a deficient number, since it is larger than the sum of its proper divisors (688331648249).

4798407177991 is a wasteful number, since it uses less digits than its factorization.

4798407177991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44814.

The product of its (nonzero) digits is 224042112, while the sum is 73.

The spelling of 4798407177991 in words is "four trillion, seven hundred ninety-eight billion, four hundred seven million, one hundred seventy-seven thousand, nine hundred ninety-one".