7640895782 has 16 divisors (see below), whose sum is σ = 12421609872. Its totient is φ = 3504103200.

The previous prime is 7640895719. The next prime is 7640895791. The reversal of 7640895782 is 2875980467.

It is a congruent number.

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, 931844 + ... + 940007.

It is an arithmetic number, because the mean of its divisors is an integer number (776350617).

Almost surely, 2^7640895782 is an apocalyptic number.

7640895782 is a deficient number, since it is larger than the sum of its proper divisors (4780714090).

7640895782 is a wasteful number, since it uses less digits than its factorization.

7640895782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872023.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The square root of 7640895782 is about 87412.2175785513. The cubic root of 7640895782 is about 1969.6153733881.

The spelling of 7640895782 in words is "seven billion, six hundred forty million, eight hundred ninety-five thousand, seven hundred eighty-two".