97877808 has 100 divisors (see below), whose sum is σ = 323786320. Its totient is φ = 27962496.

The previous prime is 97877807. The next prime is 97877837. The reversal of 97877808 is 80877879.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97877807) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3678 + ... + 14466.

Almost surely, 2^97877808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97877808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161893160).

97877808 is an abundant number, since it is smaller than the sum of its proper divisors (225908512).

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

97877808 is a wasteful number, since it uses less digits than its factorization.

97877808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816 (or 10801 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 54.

The square root of 97877808 is about 9893.3213836406. The cubic root of 97877808 is about 460.8519309962.

The spelling of 97877808 in words is "ninety-seven million, eight hundred seventy-seven thousand, eight hundred eight".