7785888982 has 16 divisors (see below), whose sum is σ = 11715547104. Its totient is φ = 3880720000.

The previous prime is 7785888961. The next prime is 7785889019. The reversal of 7785888982 is 2898885877.

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, 2172432 + ... + 2176012.

It is an arithmetic number, because the mean of its divisors is an integer number (732221694).

Almost surely, 2^7785888982 is an apocalyptic number.

7785888982 is a deficient number, since it is larger than the sum of its proper divisors (3929658122).

7785888982 is a wasteful number, since it uses less digits than its factorization.

7785888982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695.

The product of its digits is 144506880, while the sum is 70.

The square root of 7785888982 is about 88237.6845911088. The cubic root of 7785888982 is about 1981.9958263708.

The spelling of 7785888982 in words is "seven billion, seven hundred eighty-five million, eight hundred eighty-eight thousand, nine hundred eighty-two".