86552397 has 6 divisors (see below), whose sum is σ = 125020142. Its totient is φ = 57701592.

The previous prime is 86552393. The next prime is 86552399. The reversal of 86552397 is 79325568.

It is a happy number.

86552397 is a `hidden beast` number, since 8 + 6 + 552 + 3 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 67420521 + 19131876 = 8211^2 + 4374^2 .

It is not a de Polignac number, because 86552397 - 2² = 86552393 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 (86552393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4808458 + ... + 4808475.

Almost surely, 2^86552397 is an apocalyptic number.

It is an amenable number.

86552397 is a deficient number, since it is larger than the sum of its proper divisors (38467745).

86552397 is a wasteful number, since it uses less digits than its factorization.

86552397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9616939 (or 9616936 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 86552397 is about 9303.3540725912. The cubic root of 86552397 is about 442.3435509362.

The spelling of 86552397 in words is "eighty-six million, five hundred fifty-two thousand, three hundred ninety-seven".