77000000001 has 32 divisors (see below), whose sum is σ = 113931632640. Its totient is φ = 46037528064.

The previous prime is 76999999981. The next prime is 77000000023. The reversal of 77000000001 is 10000000077.

It is not a de Polignac number, because 77000000001 - 2⁷ = 76999999873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77000000041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175585 + ... + 429918.

It is an arithmetic number, because the mean of its divisors is an integer number (3560363520).

Almost surely, 2^77000000001 is an apocalyptic number.

It is an amenable number.

77000000001 is a deficient number, since it is larger than the sum of its proper divisors (36931632639).

77000000001 is a wasteful number, since it uses less digits than its factorization.

77000000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605645.

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

Adding to 77000000001 its reverse (10000000077), we get a palindrome (87000000078).

The spelling of 77000000001 in words is "seventy-seven billion, one", and thus it is an aban number and an uban number.