7661972662 has 16 divisors (see below), whose sum is σ = 11787930000. Its totient is φ = 3732895360.

The previous prime is 7661972653. The next prime is 7661972663. The reversal of 7661972662 is 2662791667.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7661972663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8589 + ... + 124087.

It is an arithmetic number, because the mean of its divisors is an integer number (736745625).

Almost surely, 2^7661972662 is an apocalyptic number.

7661972662 is a deficient number, since it is larger than the sum of its proper divisors (4125957338).

7661972662 is a wasteful number, since it uses less digits than its factorization.

7661972662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116351.

The product of its digits is 2286144, while the sum is 52.

The square root of 7661972662 is about 87532.6948174224. The cubic root of 7661972662 is about 1971.4247264570.

The spelling of 7661972662 in words is "seven billion, six hundred sixty-one million, nine hundred seventy-two thousand, six hundred sixty-two".