78801533486 has 16 divisors (see below), whose sum is σ = 130255130544. Its totient is φ = 35524125504.

The previous prime is 78801533429. The next prime is 78801533501. The reversal of 78801533486 is 68433510887.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35241071 + ... + 35243306.

It is an arithmetic number, because the mean of its divisors is an integer number (8140945659).

Almost surely, 2^78801533486 is an apocalyptic number.

78801533486 is a deficient number, since it is larger than the sum of its proper divisors (51453597058).

78801533486 is a wasteful number, since it uses less digits than its factorization.

78801533486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70484435.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 78801533486 in words is "seventy-eight billion, eight hundred one million, five hundred thirty-three thousand, four hundred eighty-six".