87285904462 has 4 divisors (see below), whose sum is σ = 130928856696. Its totient is φ = 43642952230.

The previous prime is 87285904451. The next prime is 87285904469. The reversal of 87285904462 is 26440958278.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87285904469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21821476114 + ... + 21821476117.

It is an arithmetic number, because the mean of its divisors is an integer number (32732214174).

Almost surely, 2^87285904462 is an apocalyptic number.

87285904462 is a deficient number, since it is larger than the sum of its proper divisors (43642952234).

87285904462 is a wasteful number, since it uses less digits than its factorization.

87285904462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43642952233.

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 87285904462 in words is "eighty-seven billion, two hundred eighty-five million, nine hundred four thousand, four hundred sixty-two".