97770100 has 36 divisors (see below), whose sum is σ = 212736384. Its totient is φ = 39002080.

The previous prime is 97770059. The next prime is 97770109. The reversal of 97770100 is 107779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97770109) 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, 43197 + ... + 45403.

It is an arithmetic number, because the mean of its divisors is an integer number (5909344).

Almost surely, 2^97770100 is an apocalyptic number.

It is an amenable number.

97770100 is an abundant number, since it is smaller than the sum of its proper divisors (114966284).

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

97770100 is a wasteful number, since it uses less digits than its factorization.

97770100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664 (or 2657 counting only the distinct ones).

The product of its (nonzero) digits is 3087, while the sum is 31.

The square root of 97770100 is about 9887.8764150853. The cubic root of 97770100 is about 460.6828233456.

Adding to 97770100 its reverse (107779), we get a palindrome (97877879).

The spelling of 97770100 in words is "ninety-seven million, seven hundred seventy thousand, one hundred".