77000060 has 12 divisors (see below), whose sum is σ = 161700168. Its totient is φ = 30800016.

The previous prime is 77000047. The next prime is 77000069. The reversal of 77000060 is 6000077.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 3850003 = 77000060 / (7 + 7 + 0 + 0 + 0 + 0 + 6 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 76999996 and 77000041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1924982 + ... + 1925021.

It is an arithmetic number, because the mean of its divisors is an integer number (13475014).

Almost surely, 2^77000060 is an apocalyptic number.

It is an amenable number.

77000060 is an abundant number, since it is smaller than the sum of its proper divisors (84700108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77000060 is a wasteful number, since it uses less digits than its factorization.

77000060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850012 (or 3850010 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 77000060 is about 8774.9678062087. The cubic root of 77000060 is about 425.4321970133.

The spelling of 77000060 in words is "seventy-seven million, sixty", and thus it is an aban number and an uban number.