80400088 has 16 divisors (see below), whose sum is σ = 157304880. Its totient is φ = 38452128.

The previous prime is 80400059. The next prime is 80400091. The reversal of 80400088 is 88000408.

It is a happy number.

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, 218295 + ... + 218662.

It is an arithmetic number, because the mean of its divisors is an integer number (9831555).

Almost surely, 2^80400088 is an apocalyptic number.

It is an amenable number.

80400088 is a deficient number, since it is larger than the sum of its proper divisors (76904792).

80400088 is a wasteful number, since it uses less digits than its factorization.

80400088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436986 (or 436982 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 80400088 is about 8966.6096156797. The cubic root of 80400088 is about 431.6040467760.

The spelling of 80400088 in words is "eighty million, four hundred thousand, eighty-eight".