78833090471 has 4 divisors (see below), whose sum is σ = 78834682632. Its totient is φ = 78831498312.

The previous prime is 78833090389. The next prime is 78833090473. The reversal of 78833090471 is 17409033887.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78833090471 - 2²⁶ = 78765981607 is a prime.

It is a super-3 number, since 3×78833090471³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78833090473) 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, 719345 + ... + 821658.

It is an arithmetic number, because the mean of its divisors is an integer number (19708670658).

Almost surely, 2^78833090471 is an apocalyptic number.

78833090471 is a deficient number, since it is larger than the sum of its proper divisors (1592161).

78833090471 is a wasteful number, since it uses less digits than its factorization.

78833090471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592160.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 78833090471 in words is "seventy-eight billion, eight hundred thirty-three million, ninety thousand, four hundred seventy-one".