97755420 has 48 divisors (see below), whose sum is σ = 312818688. Its totient is φ = 22344000.

The previous prime is 97755403. The next prime is 97755421. The reversal of 97755420 is 2455779.

It is a super-2 number, since 2×97755420² = 19112244278752800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97755421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115956 + ... + 116795.

It is an arithmetic number, because the mean of its divisors is an integer number (6517056).

Almost surely, 2^97755420 is an apocalyptic number.

It is an amenable number.

97755420 is an abundant number, since it is smaller than the sum of its proper divisors (215063268).

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

97755420 is a wasteful number, since it uses less digits than its factorization.

97755420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232770 (or 232768 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 97755420 is about 9887.1340640248. The cubic root of 97755420 is about 460.6597652997.

The spelling of 97755420 in words is "ninety-seven million, seven hundred fifty-five thousand, four hundred twenty".