87781342262 has 8 divisors (see below), whose sum is σ = 135919497792. Its totient is φ = 42474843000.

The previous prime is 87781342241. The next prime is 87781342283. The reversal of 87781342262 is 26224318778.

It is an interprime number because it is at equal distance from previous prime (87781342241) and next prime (87781342283).

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

It is a self number, because there is not a number n which added to its sum of digits gives 87781342262.

It is a congruent number.

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, 707913989 + ... + 707914112.

It is an arithmetic number, because the mean of its divisors is an integer number (16989937224).

Almost surely, 2^87781342262 is an apocalyptic number.

87781342262 is a deficient number, since it is larger than the sum of its proper divisors (48138155530).

87781342262 is a wasteful number, since it uses less digits than its factorization.

87781342262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415828134.

The product of its digits is 1806336, while the sum is 50.

The spelling of 87781342262 in words is "eighty-seven billion, seven hundred eighty-one million, three hundred forty-two thousand, two hundred sixty-two".