80878696940151 has 96 divisors (see below), whose sum is σ = 129270259722240. Its totient is φ = 48319610572800.

The previous prime is 80878696940123. The next prime is 80878696940159. The reversal of 80878696940151 is 15104969687808.

80878696940151 is a `hidden beast` number, since 8 + 0 + 8 + 7 + 86 + 96 + 9 + 401 + 51 = 666.

It is not a de Polignac number, because 80878696940151 - 2¹⁴ = 80878696923767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80878696940151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80878696940159) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9064065576 + ... + 9064074498.

It is an arithmetic number, because the mean of its divisors is an integer number (1346565205440).

Almost surely, 2^{80878696940151} is an apocalyptic number.

80878696940151 is a deficient number, since it is larger than the sum of its proper divisors (48391562782089).

80878696940151 is a wasteful number, since it uses less digits than its factorization.

80878696940151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12677 (or 12674 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 72.

The spelling of 80878696940151 in words is "eighty trillion, eight hundred seventy-eight billion, six hundred ninety-six million, nine hundred forty thousand, one hundred fifty-one".