78969033245 has 8 divisors (see below), whose sum is σ = 94764678360. Its totient is φ = 63174000960.

The previous prime is 78969033211. The next prime is 78969033329. The reversal of 78969033245 is 54233096987.

It can be written as a sum of positive squares in 4 ways, for example, as 9126171961 + 69842861284 = 95531^2 + 264278^2 .

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

It is not a de Polignac number, because 78969033245 - 2¹⁰ = 78969032221 is a prime.

It is a super-2 number, since 2×78969033245² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207491 + ... + 448319.

It is an arithmetic number, because the mean of its divisors is an integer number (11845584795).

Almost surely, 2^78969033245 is an apocalyptic number.

It is an amenable number.

78969033245 is a deficient number, since it is larger than the sum of its proper divisors (15795645115).

78969033245 is a wasteful number, since it uses less digits than its factorization.

78969033245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306415.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 78969033245 in words is "seventy-eight billion, nine hundred sixty-nine million, thirty-three thousand, two hundred forty-five".