78295988433 has 8 divisors (see below), whose sum is σ = 112425009088. Its totient is φ = 48182146704.

The previous prime is 78295988357. The next prime is 78295988437. The reversal of 78295988433 is 33488959287.

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

It is not a de Polignac number, because 78295988433 - 2¹² = 78295984337 is a prime.

It is a super-2 number, since 2×78295988433² (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 (78295988437) 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, 1003794685 + ... + 1003794762.

It is an arithmetic number, because the mean of its divisors is an integer number (14053126136).

Almost surely, 2^78295988433 is an apocalyptic number.

It is an amenable number.

78295988433 is a deficient number, since it is larger than the sum of its proper divisors (34129020655).

78295988433 is a wasteful number, since it uses less digits than its factorization.

78295988433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007589463.

The product of its digits is 104509440, while the sum is 66.

The spelling of 78295988433 in words is "seventy-eight billion, two hundred ninety-five million, nine hundred eighty-eight thousand, four hundred thirty-three".