97028199 has 24 divisors (see below), whose sum is σ = 146065920. Its totient is φ = 64363896.

The previous prime is 97028159. The next prime is 97028207. The reversal of 97028199 is 99182079.

It is not a de Polignac number, because 97028199 - 2¹¹ = 97026151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97028119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54282 + ... + 56040.

It is an arithmetic number, because the mean of its divisors is an integer number (6086080).

Almost surely, 2^97028199 is an apocalyptic number.

97028199 is a deficient number, since it is larger than the sum of its proper divisors (49037721).

97028199 is a wasteful number, since it uses less digits than its factorization.

97028199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1989 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 97028199 is about 9850.2892850921. The cubic root of 97028199 is about 459.5146092953.

The spelling of 97028199 in words is "ninety-seven million, twenty-eight thousand, one hundred ninety-nine".