80423772 has 48 divisors (see below), whose sum is σ = 220467072. Its totient is φ = 22495680.

The previous prime is 80423771. The next prime is 80423773. The reversal of 80423772 is 27732408.

It is an interprime number because it is at equal distance from previous prime (80423771) and next prime (80423773).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80423771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21718 + ... + 25149.

It is an arithmetic number, because the mean of its divisors is an integer number (4593064).

Almost surely, 2^80423772 is an apocalyptic number.

It is an amenable number.

80423772 is an abundant number, since it is smaller than the sum of its proper divisors (140043300).

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

80423772 is a wasteful number, since it uses less digits than its factorization.

80423772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46898 (or 46896 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 80423772 is about 8967.9301959817. The cubic root of 80423772 is about 431.6464227937.

The spelling of 80423772 in words is "eighty million, four hundred twenty-three thousand, seven hundred seventy-two".