86474637 has 12 divisors (see below), whose sum is σ = 126956284. Its totient is φ = 56704320.

The previous prime is 86474621. The next prime is 86474651. The reversal of 86474637 is 73647468.

86474637 is a `hidden beast` number, since 8 + 6 + 4 + 7 + 4 + 637 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 31877316 + 54597321 = 5646^2 + 7389^2 .

It is not a de Polignac number, because 86474637 - 2⁴ = 86474621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86474592 and 86474601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86474657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78208 + ... + 79305.

Almost surely, 2^86474637 is an apocalyptic number.

It is an amenable number.

86474637 is a deficient number, since it is larger than the sum of its proper divisors (40481647).

86474637 is a wasteful number, since it uses less digits than its factorization.

86474637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157580 (or 157577 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 86474637 is about 9299.1739955762. The cubic root of 86474637 is about 442.2110418370.

The spelling of 86474637 in words is "eighty-six million, four hundred seventy-four thousand, six hundred thirty-seven".