77737740334 has 4 divisors (see below), whose sum is σ = 116606610504. Its totient is φ = 38868870166.

The previous prime is 77737740307. The next prime is 77737740337. The reversal of 77737740334 is 43304773777.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43304773777 = 577 ⋅75051601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77737740337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19434435082 + ... + 19434435085.

It is an arithmetic number, because the mean of its divisors is an integer number (29151652626).

Almost surely, 2^77737740334 is an apocalyptic number.

77737740334 is a deficient number, since it is larger than the sum of its proper divisors (38868870170).

77737740334 is a wasteful number, since it uses less digits than its factorization.

77737740334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38868870169.

The product of its (nonzero) digits is 7260624, while the sum is 52.

The spelling of 77737740334 in words is "seventy-seven billion, seven hundred thirty-seven million, seven hundred forty thousand, three hundred thirty-four".