87742169043 has 16 divisors (see below), whose sum is σ = 123155061120. Its totient is φ = 55412436096.

The previous prime is 87742169027. The next prime is 87742169051. The reversal of 87742169043 is 34096124778.

It is not a de Polignac number, because 87742169043 - 2⁴ = 87742169027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87742169243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1008571 + ... + 1092107.

It is an arithmetic number, because the mean of its divisors is an integer number (7697191320).

Almost surely, 2^87742169043 is an apocalyptic number.

87742169043 is a deficient number, since it is larger than the sum of its proper divisors (35412892077).

87742169043 is a wasteful number, since it uses less digits than its factorization.

87742169043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101986.

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 87742169043 in words is "eighty-seven billion, seven hundred forty-two million, one hundred sixty-nine thousand, forty-three".