77008801 has 8 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 75655440.

The previous prime is 77008777. The next prime is 77008817. The reversal of 77008801 is 10880077.

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

It is a cyclic number.

It is not a de Polignac number, because 77008801 - 2⁹ = 77008289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77008831) 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, 20031 + ... + 23563.

It is an arithmetic number, because the mean of its divisors is an integer number (9796248).

Almost surely, 2^77008801 is an apocalyptic number.

77008801 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

77008801 is a deficient number, since it is larger than the sum of its proper divisors (1361183).

77008801 is a wasteful number, since it uses less digits than its factorization.

77008801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3911.

The product of its (nonzero) digits is 3136, while the sum is 31.

The square root of 77008801 is about 8775.4658565799. The cubic root of 77008801 is about 425.4482946723.

Adding to 77008801 its reverse (10880077), we get a palindrome (87888878).

The spelling of 77008801 in words is "seventy-seven million, eight thousand, eight hundred one".