97628699 has 4 divisors (see below), whose sum is σ = 111575664. Its totient is φ = 83681736.

The previous prime is 97628693. The next prime is 97628711. The reversal of 97628699 is 99682679.

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

It is a cyclic number.

It is not a de Polignac number, because 97628699 - 2⁴ = 97628683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97628693) 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, 6973472 + ... + 6973485.

It is an arithmetic number, because the mean of its divisors is an integer number (27893916).

Almost surely, 2^97628699 is an apocalyptic number.

97628699 is a deficient number, since it is larger than the sum of its proper divisors (13946965).

97628699 is a wasteful number, since it uses less digits than its factorization.

97628699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13946964.

The product of its digits is 2939328, while the sum is 56.

The square root of 97628699 is about 9880.7236071049. The cubic root of 97628699 is about 460.4606271228.

The spelling of 97628699 in words is "ninety-seven million, six hundred twenty-eight thousand, six hundred ninety-nine".