77053330 has 8 divisors (see below), whose sum is σ = 138696012. Its totient is φ = 30821328.

The previous prime is 77053297. The next prime is 77053331. The reversal of 77053330 is 3335077.

It can be written as a sum of positive squares in 2 ways, for example, as 62742241 + 14311089 = 7921^2 + 3783^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3852657 + ... + 3852676.

Almost surely, 2^77053330 is an apocalyptic number.

77053330 is a deficient number, since it is larger than the sum of its proper divisors (61642682).

77053330 is a wasteful number, since it uses less digits than its factorization.

77053330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7705340.

The product of its (nonzero) digits is 6615, while the sum is 28.

The square root of 77053330 is about 8778.0026201864. The cubic root of 77053330 is about 425.5302815645.

The spelling of 77053330 in words is "seventy-seven million, fifty-three thousand, three hundred thirty".