80864154 has 48 divisors (see below), whose sum is σ = 202512960. Its totient is φ = 22841280.

The previous prime is 80864141. The next prime is 80864183. The reversal of 80864154 is 45146808.

80864154 is a `hidden beast` number, since 8 + 0 + 8 + 641 + 5 + 4 = 666.

It is a super-2 number, since 2×80864154² = 13078022804271432, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7609 + ... + 14819.

It is an arithmetic number, because the mean of its divisors is an integer number (4219020).

Almost surely, 2^80864154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80864154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101256480).

80864154 is an abundant number, since it is smaller than the sum of its proper divisors (121648806).

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

80864154 is a wasteful number, since it uses less digits than its factorization.

80864154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315 (or 7312 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 80864154 is about 8992.4498330544. The cubic root of 80864154 is about 432.4328544676.

It can be divided in two parts, 80864 and 154, that added together give a palindrome (81018).

The spelling of 80864154 in words is "eighty million, eight hundred sixty-four thousand, one hundred fifty-four".