77063020 has 12 divisors (see below), whose sum is σ = 161832384. Its totient is φ = 30825200.

The previous prime is 77062991. The next prime is 77063029. The reversal of 77063020 is 2036077.

It is not an unprimeable number, because it can be changed into a prime (77063029) 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, 1926556 + ... + 1926595.

It is an arithmetic number, because the mean of its divisors is an integer number (13486032).

Almost surely, 2^77063020 is an apocalyptic number.

It is an amenable number.

77063020 is an abundant number, since it is smaller than the sum of its proper divisors (84769364).

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

77063020 is a wasteful number, since it uses less digits than its factorization.

77063020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853160 (or 3853158 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 77063020 is about 8778.5545507219. The cubic root of 77063020 is about 425.5481186287.

Adding to 77063020 its reverse (2036077), we get a palindrome (79099097).

The spelling of 77063020 in words is "seventy-seven million, sixty-three thousand, twenty".