7913904435 has 24 divisors (see below), whose sum is σ = 13719910464. Its totient is φ = 4219987200.

The previous prime is 7913904367. The next prime is 7913904437. The reversal of 7913904435 is 5344093197.

7913904435 is a `hidden beast` number, since 79 + 139 + 0 + 443 + 5 = 666.

It is not a de Polignac number, because 7913904435 - 2⁷ = 7913904307 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (7913904437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 309499 + ... + 334091.

It is an arithmetic number, because the mean of its divisors is an integer number (571662936).

Almost surely, 2^7913904435 is an apocalyptic number.

7913904435 is a deficient number, since it is larger than the sum of its proper divisors (5806006029).

7913904435 is a wasteful number, since it uses less digits than its factorization.

7913904435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31755 (or 31752 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 7913904435 is about 88960.1283441071. The cubic root of 7913904435 is about 1992.7994769279.

The spelling of 7913904435 in words is "seven billion, nine hundred thirteen million, nine hundred four thousand, four hundred thirty-five".