80154872 has 16 divisors (see below), whose sum is σ = 171760560. Its totient is φ = 34352064.

The previous prime is 80154859. The next prime is 80154887. The reversal of 80154872 is 27845108.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715613 + ... + 715724.

It is an arithmetic number, because the mean of its divisors is an integer number (10735035).

Almost surely, 2^80154872 is an apocalyptic number.

It is an amenable number.

80154872 is an abundant number, since it is smaller than the sum of its proper divisors (91605688).

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

80154872 is a wasteful number, since it uses less digits than its factorization.

80154872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431350 (or 1431346 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 80154872 is about 8952.9253319795. The cubic root of 80154872 is about 431.1648101137.

The spelling of 80154872 in words is "eighty million, one hundred fifty-four thousand, eight hundred seventy-two".