86404743 has 24 divisors (see below), whose sum is σ = 127650432. Its totient is φ = 56306448.

The previous prime is 86404699. The next prime is 86404757. The reversal of 86404743 is 34740468.

86404743 is a `hidden beast` number, since 8 + 640 + 4 + 7 + 4 + 3 = 666.

It is not a de Polignac number, because 86404743 - 2⁶ = 86404679 is a prime.

It is a super-2 number, since 2×86404743² = 14931559225792098, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86404698 and 86404707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86404943) 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, 76380 + ... + 77502.

It is an arithmetic number, because the mean of its divisors is an integer number (5318768).

Almost surely, 2^86404743 is an apocalyptic number.

86404743 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

86404743 is a deficient number, since it is larger than the sum of its proper divisors (41245689).

86404743 is a wasteful number, since it uses less digits than its factorization.

86404743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 86404743 is about 9295.4151601744. The cubic root of 86404743 is about 442.0918692080.

The spelling of 86404743 in words is "eighty-six million, four hundred four thousand, seven hundred forty-three".