77764334 has 8 divisors (see below), whose sum is σ = 121718160. Its totient is φ = 37191616.

The previous prime is 77764333. The next prime is 77764363. The reversal of 77764334 is 43346777.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 77764291 and 77764300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77764333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845219 + ... + 845310.

It is an arithmetic number, because the mean of its divisors is an integer number (15214770).

Almost surely, 2^77764334 is an apocalyptic number.

77764334 is a deficient number, since it is larger than the sum of its proper divisors (43953826).

77764334 is a wasteful number, since it uses less digits than its factorization.

77764334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690554.

The product of its digits is 296352, while the sum is 41.

The square root of 77764334 is about 8818.4088133858. The cubic root of 77764334 is about 426.8351262143.

The spelling of 77764334 in words is "seventy-seven million, seven hundred sixty-four thousand, three hundred thirty-four".