89878797 has 12 divisors (see below), whose sum is σ = 136658080. Its totient is φ = 56765448.

The previous prime is 89878783. The next prime is 89878807. The reversal of 89878797 is 79787898.

It is not a de Polignac number, because 89878797 - 2¹¹ = 89876749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89878717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262633 + ... + 262974.

Almost surely, 2^89878797 is an apocalyptic number.

It is an amenable number.

89878797 is a deficient number, since it is larger than the sum of its proper divisors (46779283).

89878797 is a wasteful number, since it uses less digits than its factorization.

89878797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525632 (or 525629 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 63.

The square root of 89878797 is about 9480.4428694023. The cubic root of 89878797 is about 447.9392140237.

The spelling of 89878797 in words is "eighty-nine million, eight hundred seventy-eight thousand, seven hundred ninety-seven".