7904013827 has 4 divisors (see below), whose sum is σ = 7905891480. Its totient is φ = 7902136176.

The previous prime is 7904013823. The next prime is 7904013833. The reversal of 7904013827 is 7283104097.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7283104097 = 76607 ⋅95071.

It is a cyclic number.

It is not a de Polignac number, because 7904013827 - 2² = 7904013823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7904013823) 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, 932498 + ... + 940935.

It is an arithmetic number, because the mean of its divisors is an integer number (1976472870).

Almost surely, 2^7904013827 is an apocalyptic number.

7904013827 is a deficient number, since it is larger than the sum of its proper divisors (1877653).

7904013827 is a wasteful number, since it uses less digits than its factorization.

7904013827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1877652.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 7904013827 is about 88904.5208468051. The cubic root of 7904013827 is about 1991.9689465053.

The spelling of 7904013827 in words is "seven billion, nine hundred four million, thirteen thousand, eight hundred twenty-seven".