97628611 has 4 divisors (see below), whose sum is σ = 97728912. Its totient is φ = 97528312.

The previous prime is 97628599. The next prime is 97628633. The reversal of 97628611 is 11682679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11682679 = 29 ⋅402851.

It is a cyclic number.

It is not a de Polignac number, because 97628611 - 2¹⁷ = 97497539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97628411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48676 + ... + 50641.

It is an arithmetic number, because the mean of its divisors is an integer number (24432228).

Almost surely, 2^97628611 is an apocalyptic number.

97628611 is a deficient number, since it is larger than the sum of its proper divisors (100301).

97628611 is an equidigital number, since it uses as much as digits as its factorization.

97628611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100300.

The product of its digits is 36288, while the sum is 40.

The square root of 97628611 is about 9880.7191539887. The cubic root of 97628611 is about 460.4604887736.

The spelling of 97628611 in words is "ninety-seven million, six hundred twenty-eight thousand, six hundred eleven".