80878896 has 240 divisors, whose sum is σ = 281648640. Its totient is φ = 21150720.

The previous prime is 80878871. The next prime is 80878921. The reversal of 80878896 is 69887808.

It is an interprime number because it is at equal distance from previous prime (80878871) and next prime (80878921).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 785181 + ... + 785283.

It is an arithmetic number, because the mean of its divisors is an integer number (1173536).

Almost surely, 2^80878896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80878896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140824320).

80878896 is an abundant number, since it is smaller than the sum of its proper divisors (200769744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80878896 is a wasteful number, since it uses less digits than its factorization.

80878896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The square root of 80878896 is about 8993.2694833414. The cubic root of 80878896 is about 432.4591312023.

The spelling of 80878896 in words is "eighty million, eight hundred seventy-eight thousand, eight hundred ninety-six".