97789795 has 4 divisors (see below), whose sum is σ = 117347760. Its totient is φ = 78231832.

The previous prime is 97789793. The next prime is 97789799. The reversal of 97789795 is 59798779.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59798779 = 6793 ⋅8803.

It is a cyclic number.

It is not a de Polignac number, because 97789795 - 2¹ = 97789793 is a prime.

It is a super-2 number, since 2×97789795² = 19125688012284050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97789793) 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, 9778975 + ... + 9778984.

It is an arithmetic number, because the mean of its divisors is an integer number (29336940).

Almost surely, 2^97789795 is an apocalyptic number.

97789795 is a deficient number, since it is larger than the sum of its proper divisors (19557965).

97789795 is a wasteful number, since it uses less digits than its factorization.

97789795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19557964.

The product of its digits is 10001880, while the sum is 61.

The square root of 97789795 is about 9888.8722815092. The cubic root of 97789795 is about 460.7137548848.

The spelling of 97789795 in words is "ninety-seven million, seven hundred eighty-nine thousand, seven hundred ninety-five".