761989106 has 4 divisors (see below), whose sum is σ = 1142983662. Its totient is φ = 380994552.

The previous prime is 761989097. The next prime is 761989127. The reversal of 761989106 is 601989167.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 676260025 + 85729081 = 26005^2 + 9259^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 190497275 + ... + 190497278.

Almost surely, 2^761989106 is an apocalyptic number.

761989106 is a deficient number, since it is larger than the sum of its proper divisors (380994556).

761989106 is a wasteful number, since it uses less digits than its factorization.

761989106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380994555.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 761989106 is about 27604.1501589888. The cubic root of 761989106 is about 913.3759823739.

The spelling of 761989106 in words is "seven hundred sixty-one million, nine hundred eighty-nine thousand, one hundred six".