78048000077 has 8 divisors (see below), whose sum is σ = 78214701600. Its totient is φ = 77881351984.

The previous prime is 78048000073. The next prime is 78048000137. The reversal of 78048000077 is 77000084087.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78048000077 - 2² = 78048000073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78047999998 and 78048000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78048000073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480178 + ... + 4497564.

It is an arithmetic number, because the mean of its divisors is an integer number (9776837700).

Almost surely, 2^78048000077 is an apocalyptic number.

It is an amenable number.

78048000077 is a deficient number, since it is larger than the sum of its proper divisors (166701523).

78048000077 is a wasteful number, since it uses less digits than its factorization.

78048000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26715.

The product of its (nonzero) digits is 87808, while the sum is 41.

The spelling of 78048000077 in words is "seventy-eight billion, forty-eight million, seventy-seven", and thus it is an aban number and an uban number.