7880509042 has 32 divisors (see below), whose sum is σ = 13679228160. Its totient is φ = 3335092800.

The previous prime is 7880509031. The next prime is 7880509051. The reversal of 7880509042 is 2409050887.

It is a super-2 number, since 2×7880509042² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7880509042.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542883 + ... + 557209.

It is an arithmetic number, because the mean of its divisors is an integer number (427475880).

Almost surely, 2^7880509042 is an apocalyptic number.

7880509042 is a deficient number, since it is larger than the sum of its proper divisors (5798719118).

7880509042 is a wasteful number, since it uses less digits than its factorization.

7880509042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14826.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 7880509042 is about 88772.2312550496. The cubic root of 7880509042 is about 1989.9924279402.

The spelling of 7880509042 in words is "seven billion, eight hundred eighty million, five hundred nine thousand, forty-two".