77053332 has 12 divisors (see below), whose sum is σ = 179791136. Its totient is φ = 25684440.

The previous prime is 77053331. The next prime is 77053343. The reversal of 77053332 is 23335077.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 77053332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77053331) 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, 3210544 + ... + 3210567.

Almost surely, 2^77053332 is an apocalyptic number.

It is an amenable number.

77053332 is an abundant number, since it is smaller than the sum of its proper divisors (102737804).

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

77053332 is a wasteful number, since it uses less digits than its factorization.

77053332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421118 (or 6421116 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 77053332 is about 8778.0027341076. The cubic root of 77053332 is about 425.5302852462.

The spelling of 77053332 in words is "seventy-seven million, fifty-three thousand, three hundred thirty-two".