80699454 has 24 divisors (see below), whose sum is σ = 190744632. Its totient is φ = 24454320.

The previous prime is 80699453. The next prime is 80699461. The reversal of 80699454 is 45499608.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80699453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 203589 + ... + 203984.

It is an arithmetic number, because the mean of its divisors is an integer number (7947693).

Almost surely, 2^80699454 is an apocalyptic number.

80699454 is an abundant number, since it is smaller than the sum of its proper divisors (110045178).

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

80699454 is a wasteful number, since it uses less digits than its factorization.

80699454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407592 (or 407589 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 80699454 is about 8983.2874828762. The cubic root of 80699454 is about 432.1390691665.

The spelling of 80699454 in words is "eighty million, six hundred ninety-nine thousand, four hundred fifty-four".