86748723 has 12 divisors (see below), whose sum is σ = 127069488. Its totient is φ = 57017520.

The previous prime is 86748721. The next prime is 86748751. The reversal of 86748723 is 32784768.

It is a happy number.

It is not a de Polignac number, because 86748723 - 2¹ = 86748721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86748721) 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, 67240 + ... + 68517.

It is an arithmetic number, because the mean of its divisors is an integer number (10589124).

Almost surely, 2^86748723 is an apocalyptic number.

86748723 is a deficient number, since it is larger than the sum of its proper divisors (40320765).

86748723 is a wasteful number, since it uses less digits than its factorization.

86748723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135834 (or 135831 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 86748723 is about 9313.8994518945. The cubic root of 86748723 is about 442.6777529668.

The spelling of 86748723 in words is "eighty-six million, seven hundred forty-eight thousand, seven hundred twenty-three".