7904421011 has 8 divisors (see below), whose sum is σ = 8027480784. Its totient is φ = 7781510880.

The previous prime is 7904421001. The next prime is 7904421043. The reversal of 7904421011 is 1101244097.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7904421011 - 2²² = 7900226707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7904421001) 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, 71501 + ... + 144641.

It is an arithmetic number, because the mean of its divisors is an integer number (1003435098).

Almost surely, 2^7904421011 is an apocalyptic number.

7904421011 is a deficient number, since it is larger than the sum of its proper divisors (123059773).

7904421011 is a wasteful number, since it uses less digits than its factorization.

7904421011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74821.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7904421011 is about 88906.8108245932. The cubic root of 7904421011 is about 1992.0031520779.

The spelling of 7904421011 in words is "seven billion, nine hundred four million, four hundred twenty-one thousand, eleven".