77000016 has 20 divisors (see below), whose sum is σ = 198916832. Its totient is φ = 25666656.

The previous prime is 77000003. The next prime is 77000029. The reversal of 77000016 is 61000077.

It is an interprime number because it is at equal distance from previous prime (77000003) and next prime (77000029).

It is a junction number, because it is equal to n+sod(n) for n = 76999956 and 77000001.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 802036 + ... + 802131.

Almost surely, 2^77000016 is an apocalyptic number.

It is an amenable number.

77000016 is an abundant number, since it is smaller than the sum of its proper divisors (121916816).

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

77000016 is a wasteful number, since it uses less digits than its factorization.

77000016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604178 (or 1604172 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 77000016 is about 8774.9652990767. The cubic root of 77000016 is about 425.4321159787.

The spelling of 77000016 in words is "seventy-seven million, sixteen", and thus it is an aban number and an uban number.