15400086317 has 32 divisors (see below), whose sum is σ = 19630080000. Its totient is φ = 11731898880.

The previous prime is 15400086281. The next prime is 15400086323. The reversal of 15400086317 is 71368000451.

It is a cyclic number.

It is not a de Polignac number, because 15400086317 - 2¹⁴ = 15400069933 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 (15400086917) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4518428 + ... + 4521834.

It is an arithmetic number, because the mean of its divisors is an integer number (613440000).

Almost surely, 2^15400086317 is an apocalyptic number.

It is an amenable number.

15400086317 is a deficient number, since it is larger than the sum of its proper divisors (4229993683).

15400086317 is a wasteful number, since it uses less digits than its factorization.

15400086317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4721.

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 15400086317 its reverse (71368000451), we get a palindrome (86768086768).

The spelling of 15400086317 in words is "fifteen billion, four hundred million, eighty-six thousand, three hundred seventeen".