77053912 has 16 divisors (see below), whose sum is σ = 155589840. Its totient is φ = 35563296.

The previous prime is 77053903. The next prime is 77053913. The reversal of 77053912 is 21935077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77053913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370348 + ... + 370555.

It is an arithmetic number, because the mean of its divisors is an integer number (9724365).

Almost surely, 2^77053912 is an apocalyptic number.

It is an amenable number.

77053912 is an abundant number, since it is smaller than the sum of its proper divisors (78535928).

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

77053912 is a wasteful number, since it uses less digits than its factorization.

77053912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740922 (or 740918 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 77053912 is about 8778.0357711734. The cubic root of 77053912 is about 425.5313529350.

Adding to 77053912 its reverse (21935077), we get a palindrome (98988989).

The spelling of 77053912 in words is "seventy-seven million, fifty-three thousand, nine hundred twelve".