77885368 has 16 divisors (see below), whose sum is σ = 159311160. Its totient is φ = 35402400.

The previous prime is 77885323. The next prime is 77885371. The reversal of 77885368 is 86358877.

It is a super-2 number, since 2×77885368² = 12132261096990848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442443 + ... + 442618.

Almost surely, 2^77885368 is an apocalyptic number.

It is an amenable number.

77885368 is an abundant number, since it is smaller than the sum of its proper divisors (81425792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77885368 is a wasteful number, since it uses less digits than its factorization.

77885368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885078 (or 885074 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 77885368 is about 8825.2687211212. The cubic root of 77885368 is about 427.0564564000.

The spelling of 77885368 in words is "seventy-seven million, eight hundred eighty-five thousand, three hundred sixty-eight".