77671001 has 8 divisors (see below), whose sum is σ = 78369984. Its totient is φ = 76975600.

The previous prime is 77670913. The next prime is 77671003. The reversal of 77671001 is 10017677.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77671001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77671003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59051 + ... + 60351.

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

Almost surely, 2^77671001 is an apocalyptic number.

It is an amenable number.

77671001 is a deficient number, since it is larger than the sum of its proper divisors (698983).

77671001 is a wasteful number, since it uses less digits than its factorization.

77671001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its (nonzero) digits is 2058, while the sum is 29.

The square root of 77671001 is about 8813.1152834852. The cubic root of 77671001 is about 426.6642948951.

Adding to 77671001 its reverse (10017677), we get a palindrome (87688678).

The spelling of 77671001 in words is "seventy-seven million, six hundred seventy-one thousand, one".