77231260 has 12 divisors (see below), whose sum is σ = 162185688. Its totient is φ = 30892496.

The previous prime is 77231243. The next prime is 77231267. The reversal of 77231260 is 6213277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77231267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930762 + ... + 1930801.

It is an arithmetic number, because the mean of its divisors is an integer number (13515474).

Almost surely, 2^77231260 is an apocalyptic number.

It is an amenable number.

77231260 is an abundant number, since it is smaller than the sum of its proper divisors (84954428).

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

77231260 is a wasteful number, since it uses less digits than its factorization.

77231260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861572 (or 3861570 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 77231260 is about 8788.1317696084. The cubic root of 77231260 is about 425.8575717590.

The spelling of 77231260 in words is "seventy-seven million, two hundred thirty-one thousand, two hundred sixty".