87453867015731 has 2 divisors, whose sum is σ = 87453867015732. Its totient is φ = 87453867015730.

The previous prime is 87453867015709. The next prime is 87453867015769. The reversal of 87453867015731 is 13751076835478.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87453867015731 - 2³⁴ = 87436687146547 is a prime.

It is a super-2 number, since 2×87453867015731² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87353867015731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43726933507865 + 43726933507866.

It is an arithmetic number, because the mean of its divisors is an integer number (43726933507866).

Almost surely, 2^{87453867015731} is an apocalyptic number.

87453867015731 is a deficient number, since it is larger than the sum of its proper divisors (1).

87453867015731 is an equidigital number, since it uses as much as digits as its factorization.

87453867015731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 118540800, while the sum is 65.

The spelling of 87453867015731 in words is "eighty-seven trillion, four hundred fifty-three billion, eight hundred sixty-seven million, fifteen thousand, seven hundred thirty-one".