77003201 has 12 divisors (see below), whose sum is σ = 85493904. Its totient is φ = 68782200.

The previous prime is 77003197. The next prime is 77003209. The reversal of 77003201 is 10230077.

It is not a de Polignac number, because 77003201 - 2² = 77003197 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77003209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37286 + ... + 39296.

It is an arithmetic number, because the mean of its divisors is an integer number (7124492).

Almost surely, 2^77003201 is an apocalyptic number.

It is an amenable number.

77003201 is a deficient number, since it is larger than the sum of its proper divisors (8490703).

77003201 is a wasteful number, since it uses less digits than its factorization.

77003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 77003201 is about 8775.1467793992. The cubic root of 77003201 is about 425.4379817030.

Adding to 77003201 its reverse (10230077), we get a palindrome (87233278).

It can be divided in two parts, 7700 and 3201, that added together give a palindrome (10901).

The spelling of 77003201 in words is "seventy-seven million, three thousand, two hundred one".