7935142872 has 16 divisors (see below), whose sum is σ = 19837857240. Its totient is φ = 2645047616.

The previous prime is 7935142793. The next prime is 7935142937. The reversal of 7935142872 is 2782415397.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 165315453 + ... + 165315500.

Almost surely, 2^7935142872 is an apocalyptic number.

It is an amenable number.

7935142872 is an abundant number, since it is smaller than the sum of its proper divisors (11902714368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7935142872 is a wasteful number, since it uses less digits than its factorization.

7935142872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330630962 (or 330630958 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 7935142872 is about 89079.4189024603. The cubic root of 7935142872 is about 1994.5805674730.

The spelling of 7935142872 in words is "seven billion, nine hundred thirty-five million, one hundred forty-two thousand, eight hundred seventy-two".