86722454 has 24 divisors (see below), whose sum is σ = 162964368. Its totient is φ = 34307280.

The previous prime is 86722429. The next prime is 86722459. The reversal of 86722454 is 45422768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86722459) 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, 32762 + ... + 35309.

It is an arithmetic number, because the mean of its divisors is an integer number (6790182).

Almost surely, 2^86722454 is an apocalyptic number.

86722454 is a deficient number, since it is larger than the sum of its proper divisors (76241914).

86722454 is a wasteful number, since it uses less digits than its factorization.

86722454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68100 (or 68093 counting only the distinct ones).

The product of its digits is 107520, while the sum is 38.

The square root of 86722454 is about 9312.4891409333. The cubic root of 86722454 is about 442.6330649857.

The spelling of 86722454 in words is "eighty-six million, seven hundred twenty-two thousand, four hundred fifty-four".