99477280 has 48 divisors (see below), whose sum is σ = 268591680. Its totient is φ = 34106112.

The previous prime is 99477263. The next prime is 99477299. The reversal of 99477280 is 8277499.

It is a self number, because there is not a number n which added to its sum of digits gives 99477280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43290 + ... + 45529.

It is an arithmetic number, because the mean of its divisors is an integer number (5595660).

Almost surely, 2^99477280 is an apocalyptic number.

It is an amenable number.

99477280 is an abundant number, since it is smaller than the sum of its proper divisors (169114400).

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

99477280 is a wasteful number, since it uses less digits than its factorization.

99477280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88841 (or 88833 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 99477280 is about 9973.8297559162. The cubic root of 99477280 is about 463.3487196496.

The spelling of 99477280 in words is "ninety-nine million, four hundred seventy-seven thousand, two hundred eighty".