87019469755 has 4 divisors (see below), whose sum is σ = 104423363712. Its totient is φ = 69615575800.

The previous prime is 87019469749. The next prime is 87019469821. The reversal of 87019469755 is 55796491078.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 87019469755 - 2¹¹ = 87019467707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 87019469693 and 87019469702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8701946971 + ... + 8701946980.

It is an arithmetic number, because the mean of its divisors is an integer number (26105840928).

Almost surely, 2^87019469755 is an apocalyptic number.

87019469755 is a deficient number, since it is larger than the sum of its proper divisors (17403893957).

87019469755 is a wasteful number, since it uses less digits than its factorization.

87019469755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17403893956.

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 87019469755 in words is "eighty-seven billion, nineteen million, four hundred sixty-nine thousand, seven hundred fifty-five".