7661642982 has 32 divisors (see below), whose sum is σ = 17535412224. Its totient is φ = 2186155200.

The previous prime is 7661642959. The next prime is 7661642983. The reversal of 7661642982 is 2892461667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661642983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87894 + ... + 151817.

It is an arithmetic number, because the mean of its divisors is an integer number (547981632).

Almost surely, 2^7661642982 is an apocalyptic number.

7661642982 is an abundant number, since it is smaller than the sum of its proper divisors (9873769242).

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

7661642982 is a wasteful number, since it uses less digits than its factorization.

7661642982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240484.

The product of its digits is 1741824, while the sum is 51.

The square root of 7661642982 is about 87530.8116151107. The cubic root of 7661642982 is about 1971.3964505088.

The spelling of 7661642982 in words is "seven billion, six hundred sixty-one million, six hundred forty-two thousand, nine hundred eighty-two".