77000001 has 16 divisors (see below), whose sum is σ = 114132480. Its totient is φ = 45855360.

The previous prime is 76999981. The next prime is 77000003. The reversal of 77000001 is 10000077.

It is not a de Polignac number, because 77000001 - 2²² = 72805697 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (77000003) 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 15 ways as a sum of consecutive naturals, for example, 30636 + ... + 33053.

It is an arithmetic number, because the mean of its divisors is an integer number (7133280).

Almost surely, 2^77000001 is an apocalyptic number.

It is an amenable number.

77000001 is a deficient number, since it is larger than the sum of its proper divisors (37132479).

77000001 is a wasteful number, since it uses less digits than its factorization.

77000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63736.

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 77000001 is about 8774.9644443724. The cubic root of 77000001 is about 425.4320883532.

Adding to 77000001 its reverse (10000077), we get a palindrome (87000078).

The spelling of 77000001 in words is "seventy-seven million, one", and thus it is an aban number and an uban number.