6501000077 has 16 divisors (see below), whose sum is σ = 7688822400. Its totient is φ = 5418753600.

The previous prime is 6501000061. The next prime is 6501000089. The reversal of 6501000077 is 7700001056.

It is not a de Polignac number, because 6501000077 - 2⁴ = 6501000061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501000047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131249 + ... + 173862.

It is an arithmetic number, because the mean of its divisors is an integer number (480551400).

Almost surely, 2^6501000077 is an apocalyptic number.

It is an amenable number.

6501000077 is a deficient number, since it is larger than the sum of its proper divisors (1187822323).

6501000077 is a wasteful number, since it uses less digits than its factorization.

6501000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305284.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 6501000077 is about 80628.7794587020. The cubic root of 6501000077 is about 1866.3512862839.

The spelling of 6501000077 in words is "six billion, five hundred one million, seventy-seven", and thus it is an aban number.