77761714 has 4 divisors (see below), whose sum is σ = 116642574. Its totient is φ = 38880856.

The previous prime is 77761693. The next prime is 77761721. The reversal of 77761714 is 41716777.

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., 49491225 + 28270489 = 7035^2 + 5317^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19440427 + ... + 19440430.

Almost surely, 2^77761714 is an apocalyptic number.

77761714 is a deficient number, since it is larger than the sum of its proper divisors (38880860).

77761714 is a wasteful number, since it uses less digits than its factorization.

77761714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38880859.

The product of its digits is 57624, while the sum is 40.

The square root of 77761714 is about 8818.2602592575. The cubic root of 77761714 is about 426.8303325832.

The spelling of 77761714 in words is "seventy-seven million, seven hundred sixty-one thousand, seven hundred fourteen".