77013268 has 12 divisors (see below), whose sum is σ = 134844192. Its totient is φ = 38486360.

The previous prime is 77013263. The next prime is 77013283. The reversal of 77013268 is 86231077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77013263) 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, 6321 + ... + 13927.

It is an arithmetic number, because the mean of its divisors is an integer number (11237016).

Almost surely, 2^77013268 is an apocalyptic number.

It is an amenable number.

77013268 is a deficient number, since it is larger than the sum of its proper divisors (57830924).

77013268 is a wasteful number, since it uses less digits than its factorization.

77013268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10142 (or 10140 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 77013268 is about 8775.7203692916. The cubic root of 77013268 is about 425.4565207485.

The spelling of 77013268 in words is "seventy-seven million, thirteen thousand, two hundred sixty-eight".