86761559 has 8 divisors (see below), whose sum is σ = 89580288. Its totient is φ = 83967840.

The previous prime is 86761547. The next prime is 86761601. The reversal of 86761559 is 95516768.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86761559 is a prime.

It is a super-2 number, since 2×86761559² = 15055136240220962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86760559) 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, 929 + ... + 13205.

It is an arithmetic number, because the mean of its divisors is an integer number (11197536).

Almost surely, 2^86761559 is an apocalyptic number.

86761559 is a deficient number, since it is larger than the sum of its proper divisors (2818729).

86761559 is a wasteful number, since it uses less digits than its factorization.

86761559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12505.

The product of its digits is 453600, while the sum is 47.

The square root of 86761559 is about 9314.5885040618. The cubic root of 86761559 is about 442.6995858776.

It can be divided in two parts, 867 and 61559, that added together give a palindrome (62426).

The spelling of 86761559 in words is "eighty-six million, seven hundred sixty-one thousand, five hundred fifty-nine".