77360020 has 24 divisors (see below), whose sum is σ = 171007200. Its totient is φ = 29315232.

The previous prime is 77359993. The next prime is 77360021. The reversal of 77360020 is 2006377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77360021) 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 7 ways as a sum of consecutive naturals, for example, 101410 + ... + 102169.

It is an arithmetic number, because the mean of its divisors is an integer number (7125300).

Almost surely, 2^77360020 is an apocalyptic number.

It is an amenable number.

77360020 is an abundant number, since it is smaller than the sum of its proper divisors (93647180).

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

77360020 is a wasteful number, since it uses less digits than its factorization.

77360020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203607 (or 203605 counting only the distinct ones).

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

The square root of 77360020 is about 8795.4545078694. The cubic root of 77360020 is about 426.0941036865.

Adding to 77360020 its reverse (2006377), we get a palindrome (79366397).

The spelling of 77360020 in words is "seventy-seven million, three hundred sixty thousand, twenty".