7896757420 has 24 divisors (see below), whose sum is σ = 17155026000. Its totient is φ = 3049781952.

The previous prime is 7896757387. The next prime is 7896757493. The reversal of 7896757420 is 247576987.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6806970 + ... + 6808129.

It is an arithmetic number, because the mean of its divisors is an integer number (714792750).

Almost surely, 2^7896757420 is an apocalyptic number.

It is an amenable number.

7896757420 is an abundant number, since it is smaller than the sum of its proper divisors (9258268580).

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

7896757420 is a wasteful number, since it uses less digits than its factorization.

7896757420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13615137 (or 13615135 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 55.

The square root of 7896757420 is about 88863.7013633801. The cubic root of 7896757420 is about 1991.3591734884.

The spelling of 7896757420 in words is "seven billion, eight hundred ninety-six million, seven hundred fifty-seven thousand, four hundred twenty".