86742501 has 8 divisors (see below), whose sum is σ = 115919520. Its totient is φ = 57696912.

The previous prime is 86742497. The next prime is 86742521. The reversal of 86742501 is 10524768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86742501 - 2² = 86742497 is a prime.

It is a super-2 number, since 2×86742501² = 15048522959470002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86742521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31306 + ... + 33963.

It is an arithmetic number, because the mean of its divisors is an integer number (14489940).

Almost surely, 2^86742501 is an apocalyptic number.

It is an amenable number.

86742501 is a deficient number, since it is larger than the sum of its proper divisors (29177019).

86742501 is a wasteful number, since it uses less digits than its factorization.

86742501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65715.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 86742501 is about 9313.5654289858. The cubic root of 86742501 is about 442.6671691151.

It can be divided in two parts, 8674 and 2501, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 86742501 in words is "eighty-six million, seven hundred forty-two thousand, five hundred one".