86774149 has 24 divisors (see below), whose sum is σ = 110808000. Its totient is φ = 67193280.

The previous prime is 86774143. The next prime is 86774161. The reversal of 86774149 is 94147768.

It is not a de Polignac number, because 86774149 - 2⁵ = 86774117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86774099 and 86774108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86774143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106857 + ... + 107665.

It is an arithmetic number, because the mean of its divisors is an integer number (4617000).

Almost surely, 2^86774149 is an apocalyptic number.

It is an amenable number.

86774149 is a deficient number, since it is larger than the sum of its proper divisors (24033851).

86774149 is a wasteful number, since it uses less digits than its factorization.

86774149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033 (or 1026 counting only the distinct ones).

The product of its digits is 338688, while the sum is 46.

The square root of 86774149 is about 9315.2643011350. The cubic root of 86774149 is about 442.7209982722.

The spelling of 86774149 in words is "eighty-six million, seven hundred seventy-four thousand, one hundred forty-nine".