87462703821 has 4 divisors (see below), whose sum is σ = 116616938432. Its totient is φ = 58308469212.

The previous prime is 87462703813. The next prime is 87462703841. The reversal of 87462703821 is 12830726478.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 87462703821 - 2³ = 87462703813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87462703841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14577117301 + ... + 14577117306.

It is an arithmetic number, because the mean of its divisors is an integer number (29154234608).

Almost surely, 2^87462703821 is an apocalyptic number.

It is an amenable number.

87462703821 is a deficient number, since it is larger than the sum of its proper divisors (29154234611).

87462703821 is a wasteful number, since it uses less digits than its factorization.

87462703821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29154234610.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 87462703821 in words is "eighty-seven billion, four hundred sixty-two million, seven hundred three thousand, eight hundred twenty-one".