97028377 has 4 divisors (see below), whose sum is σ = 97989156. Its totient is φ = 96067600.

The previous prime is 97028363. The next prime is 97028389. The reversal of 97028377 is 77382079.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64947481 + 32080896 = 8059^2 + 5664^2 .

It is a cyclic number.

It is not a de Polignac number, because 97028377 - 2¹⁵ = 96995609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97028077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480238 + ... + 480439.

It is an arithmetic number, because the mean of its divisors is an integer number (24497289).

Almost surely, 2^97028377 is an apocalyptic number.

It is an amenable number.

97028377 is a deficient number, since it is larger than the sum of its proper divisors (960779).

97028377 is a wasteful number, since it uses less digits than its factorization.

97028377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960778.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 97028377 is about 9850.2983203556. The cubic root of 97028377 is about 459.5148902911.

The spelling of 97028377 in words is "ninety-seven million, twenty-eight thousand, three hundred seventy-seven".