7981895762 has 8 divisors (see below), whose sum is σ = 12064239792. Its totient is φ = 3960482500.

The previous prime is 7981895671. The next prime is 7981895783. The reversal of 7981895762 is 2675981897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7981895695 and 7981895704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15232364 + ... + 15232887.

It is an arithmetic number, because the mean of its divisors is an integer number (1508029974).

Almost surely, 2^7981895762 is an apocalyptic number.

7981895762 is a deficient number, since it is larger than the sum of its proper divisors (4082344030).

7981895762 is a wasteful number, since it uses less digits than its factorization.

7981895762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30465384.

The product of its digits is 15240960, while the sum is 62.

The square root of 7981895762 is about 89341.4560100741. The cubic root of 7981895762 is about 1998.4901739995.

The spelling of 7981895762 in words is "seven billion, nine hundred eighty-one million, eight hundred ninety-five thousand, seven hundred sixty-two".