77407740077714 has 4 divisors (see below), whose sum is σ = 116111610116574. Its totient is φ = 38703870038856.

The previous prime is 77407740077711. The next prime is 77407740077747. The reversal of 77407740077714 is 41777004770477.

It is a happy number.

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., 76476161854225 + 931578223489 = 8745065^2 + 965183^2 .

It is not an unprimeable number, because it can be changed into a prime (77407740077711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19351935019427 + ... + 19351935019430.

Almost surely, 2^{77407740077714} is an apocalyptic number.

77407740077714 is a deficient number, since it is larger than the sum of its proper divisors (38703870038860).

77407740077714 is a wasteful number, since it uses less digits than its factorization.

77407740077714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38703870038859.

The product of its (nonzero) digits is 52706752, while the sum is 62.

The spelling of 77407740077714 in words is "seventy-seven trillion, four hundred seven billion, seven hundred forty million, seventy-seven thousand, seven hundred fourteen".