80197632 has 144 divisors (see below), whose sum is σ = 244881000. Its totient is φ = 25214976.

The previous prime is 80197627. The next prime is 80197657. The reversal of 80197632 is 23679108.

80197632 is a `hidden beast` number, since 8 + 0 + 19 + 7 + 632 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 350094 + ... + 350322.

Almost surely, 2^80197632 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 80197632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122440500).

80197632 is an abundant number, since it is smaller than the sum of its proper divisors (164683368).

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

80197632 is a wasteful number, since it uses less digits than its factorization.

80197632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 80197632 is about 8955.3130598545. The cubic root of 80197632 is about 431.2414672540.

It can be divided in two parts, 8019 and 7632, that added together give a palindrome (15651).

The spelling of 80197632 in words is "eighty million, one hundred ninety-seven thousand, six hundred thirty-two".