78536046880348 has 48 divisors (see below), whose sum is σ = 143899427897344. Its totient is φ = 37461948189120.

The previous prime is 78536046880283. The next prime is 78536046880349. The reversal of 78536046880348 is 84308864063587.

It is a super-2 number, since 2×78536046880348² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78536046880349) 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, 13409886 + ... + 18354757.

Almost surely, 2^{78536046880348} is an apocalyptic number.

It is an amenable number.

78536046880348 is a deficient number, since it is larger than the sum of its proper divisors (65363381016996).

78536046880348 is a wasteful number, since it uses less digits than its factorization.

78536046880348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31764962 (or 31764960 counting only the distinct ones).

The product of its (nonzero) digits is 743178240, while the sum is 70.

The spelling of 78536046880348 in words is "seventy-eight trillion, five hundred thirty-six billion, forty-six million, eight hundred eighty thousand, three hundred forty-eight".