86767290749 has 8 divisors (see below), whose sum is σ = 86925405528. Its totient is φ = 86609275200.

The previous prime is 86767290637. The next prime is 86767290791. The reversal of 86767290749 is 94709276768.

It can be written as a sum of positive squares in 4 ways, for example, as 24950413849 + 61816876900 = 157957^2 + 248630^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 86767290749 - 2¹⁶ = 86767225213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86767290149) 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, 1853459 + ... + 1899695.

It is an arithmetic number, because the mean of its divisors is an integer number (10865675691).

Almost surely, 2^86767290749 is an apocalyptic number.

It is an amenable number.

86767290749 is a deficient number, since it is larger than the sum of its proper divisors (158114779).

86767290749 is a wasteful number, since it uses less digits than its factorization.

86767290749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49615.

The product of its (nonzero) digits is 64012032, while the sum is 65.

The spelling of 86767290749 in words is "eighty-six billion, seven hundred sixty-seven million, two hundred ninety thousand, seven hundred forty-nine".