7920023435 has 32 divisors (see below), whose sum is σ = 10085133312. Its totient is φ = 5958311040.

The previous prime is 7920023401. The next prime is 7920023443. The reversal of 7920023435 is 5343200297.

It is a de Polignac number, because none of the positive numbers 2^k-7920023435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7920023395 and 7920023404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7681370 + ... + 7682400.

It is an arithmetic number, because the mean of its divisors is an integer number (315160416).

Almost surely, 2^7920023435 is an apocalyptic number.

7920023435 is a deficient number, since it is larger than the sum of its proper divisors (2165109877).

7920023435 is a wasteful number, since it uses less digits than its factorization.

7920023435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 7920023435 is about 88994.5135106654. The cubic root of 7920023435 is about 1993.3129528688.

The spelling of 7920023435 in words is "seven billion, nine hundred twenty million, twenty-three thousand, four hundred thirty-five".