77255376 has 40 divisors (see below), whose sum is σ = 217721184. Its totient is φ = 23410560.

The previous prime is 77255363. The next prime is 77255377. The reversal of 77255376 is 67355277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77255377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72631 + ... + 73686.

Almost surely, 2^77255376 is an apocalyptic number.

It is an amenable number.

77255376 is an abundant number, since it is smaller than the sum of its proper divisors (140465808).

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

77255376 is a wasteful number, since it uses less digits than its factorization.

77255376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146339 (or 146333 counting only the distinct ones).

The product of its digits is 308700, while the sum is 42.

The square root of 77255376 is about 8789.5037402575. The cubic root of 77255376 is about 425.9018928126.

Subtracting from 77255376 its reverse (67355277), we obtain a palindrome (9900099).

The spelling of 77255376 in words is "seventy-seven million, two hundred fifty-five thousand, three hundred seventy-six".