77201564 has 12 divisors (see below), whose sum is σ = 147384888. Its totient is φ = 35091600.

The previous prime is 77201561. The next prime is 77201569. The reversal of 77201564 is 46510277.

It is a self number, because there is not a number n which added to its sum of digits gives 77201564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77201561) 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, 877247 + ... + 877334.

It is an arithmetic number, because the mean of its divisors is an integer number (12282074).

Almost surely, 2^77201564 is an apocalyptic number.

It is an amenable number.

77201564 is a deficient number, since it is larger than the sum of its proper divisors (70183324).

77201564 is a wasteful number, since it uses less digits than its factorization.

77201564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754596 (or 1754594 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 77201564 is about 8786.4420558039. The cubic root of 77201564 is about 425.8029829494.

The spelling of 77201564 in words is "seventy-seven million, two hundred one thousand, five hundred sixty-four".