97099776 has 112 divisors (see below), whose sum is σ = 288340800. Its totient is φ = 32292864.

The previous prime is 97099771. The next prime is 97099787. The reversal of 97099776 is 67799079.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (97099771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220965 + ... + 221403.

Almost surely, 2^97099776 is an apocalyptic number.

97099776 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97099776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144170400).

97099776 is an abundant number, since it is smaller than the sum of its proper divisors (191241024).

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

97099776 is an equidigital number, since it uses as much as digits as its factorization.

97099776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 97099776 is about 9853.9218588337. The cubic root of 97099776 is about 459.6275750554.

The spelling of 97099776 in words is "ninety-seven million, ninety-nine thousand, seven hundred seventy-six".