78193702433 has 16 divisors (see below), whose sum is σ = 100123073664. Its totient is φ = 59283394560.

The previous prime is 78193702403. The next prime is 78193702441. The reversal of 78193702433 is 33420739187.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 78193702433 - 2⁶ = 78193702369 is a prime.

It is a super-2 number, since 2×78193702433² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78193702403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13720160 + ... + 13725857.

It is an arithmetic number, because the mean of its divisors is an integer number (6257692104).

Almost surely, 2^78193702433 is an apocalyptic number.

It is an amenable number.

78193702433 is a deficient number, since it is larger than the sum of its proper divisors (21929371231).

78193702433 is a wasteful number, since it uses less digits than its factorization.

78193702433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27446072.

The product of its (nonzero) digits is 762048, while the sum is 47.

The spelling of 78193702433 in words is "seventy-eight billion, one hundred ninety-three million, seven hundred two thousand, four hundred thirty-three".