78295988441 has 8 divisors (see below), whose sum is σ = 85415995200. Its totient is φ = 71176346640.

The previous prime is 78295988437. The next prime is 78295988461. The reversal of 78295988441 is 14488959287.

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

It is a cyclic number.

It is not a de Polignac number, because 78295988441 - 2² = 78295988437 is a prime.

It is a super-2 number, since 2×78295988441² (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 (78295988461) 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, 558620 + ... + 684578.

It is an arithmetic number, because the mean of its divisors is an integer number (10676999400).

Almost surely, 2^78295988441 is an apocalyptic number.

It is an amenable number.

78295988441 is a deficient number, since it is larger than the sum of its proper divisors (7120006759).

78295988441 is a wasteful number, since it uses less digits than its factorization.

78295988441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182479.

The product of its digits is 46448640, while the sum is 65.

The spelling of 78295988441 in words is "seventy-eight billion, two hundred ninety-five million, nine hundred eighty-eight thousand, four hundred forty-one".