78986700133 has 8 divisors (see below), whose sum is σ = 86665388256. Its totient is φ = 71391025200.

The previous prime is 78986700103. The next prime is 78986700173. The reversal of 78986700133 is 33100768987.

It is a happy number.

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

It is not a de Polignac number, because 78986700133 - 2⁵ = 78986700101 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 (78986700103) 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, 20751303 + ... + 20755108.

It is an arithmetic number, because the mean of its divisors is an integer number (10833173532).

Almost surely, 2^78986700133 is an apocalyptic number.

It is an amenable number.

78986700133 is a deficient number, since it is larger than the sum of its proper divisors (7678688123).

78986700133 is a wasteful number, since it uses less digits than its factorization.

78986700133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41506595.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 78986700133 in words is "seventy-eight billion, nine hundred eighty-six million, seven hundred thousand, one hundred thirty-three".