86744997501 has 8 divisors (see below), whose sum is σ = 117244380480. Its totient is φ = 57037806432.

The previous prime is 86744997499. The next prime is 86744997503. The reversal of 86744997501 is 10579944768.

It is an interprime number because it is at equal distance from previous prime (86744997499) and next prime (86744997503).

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

It is not a de Polignac number, because 86744997501 - 2¹ = 86744997499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86744997503) 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, 198047721 + ... + 198048158.

It is an arithmetic number, because the mean of its divisors is an integer number (14655547560).

Almost surely, 2^86744997501 is an apocalyptic number.

It is an amenable number.

86744997501 is a deficient number, since it is larger than the sum of its proper divisors (30499382979).

86744997501 is a wasteful number, since it uses less digits than its factorization.

86744997501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396095955.

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 86744997501 in words is "eighty-six billion, seven hundred forty-four million, nine hundred ninety-seven thousand, five hundred one".