78878806532573 has 8 divisors (see below), whose sum is σ = 81523931016960. Its totient is φ = 76239972476640.

The previous prime is 78878806532549. The next prime is 78878806532587. The reversal of 78878806532573 is 37523560887887.

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 78878806532573 - 2¹⁰ = 78878806531549 is a prime.

It is a super-2 number, since 2×78878806532573² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78878806532494 and 78878806532503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78878806532473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572581615 + ... + 1572631772.

It is an arithmetic number, because the mean of its divisors is an integer number (10190491377120).

Almost surely, 2^{78878806532573} is an apocalyptic number.

It is an amenable number.

78878806532573 is a deficient number, since it is larger than the sum of its proper divisors (2645124484387).

78878806532573 is a wasteful number, since it uses less digits than its factorization.

78878806532573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145214227.

The product of its (nonzero) digits is 3793305600, while the sum is 77.

The spelling of 78878806532573 in words is "seventy-eight trillion, eight hundred seventy-eight billion, eight hundred six million, five hundred thirty-two thousand, five hundred seventy-three".