7911798403 has 4 divisors (see below), whose sum is σ = 7916193208. Its totient is φ = 7907403600.

The previous prime is 7911798353. The next prime is 7911798443. The reversal of 7911798403 is 3048971197.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7911798403 - 2⁹ = 7911797891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7911798443) 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, 2194701 + ... + 2198302.

It is an arithmetic number, because the mean of its divisors is an integer number (1979048302).

Almost surely, 2^7911798403 is an apocalyptic number.

7911798403 is a deficient number, since it is larger than the sum of its proper divisors (4394805).

7911798403 is a wasteful number, since it uses less digits than its factorization.

7911798403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394804.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 7911798403 is about 88948.2906131422. The cubic root of 7911798403 is about 1992.6226880096.

The spelling of 7911798403 in words is "seven billion, nine hundred eleven million, seven hundred ninety-eight thousand, four hundred three".