87261847862 has 24 divisors (see below), whose sum is σ = 152298712224. Its totient is φ = 37389168432.

The previous prime is 87261847853. The next prime is 87261847891. The reversal of 87261847862 is 26874816278.

It is a super-2 number, since 2×87261847862² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324803 + ... + 529169.

It is an arithmetic number, because the mean of its divisors is an integer number (6345779676).

Almost surely, 2^87261847862 is an apocalyptic number.

87261847862 is a deficient number, since it is larger than the sum of its proper divisors (65036864362).

87261847862 is a wasteful number, since it uses less digits than its factorization.

87261847862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208740 (or 208733 counting only the distinct ones).

The product of its digits is 14450688, while the sum is 59.

The spelling of 87261847862 in words is "eighty-seven billion, two hundred sixty-one million, eight hundred forty-seven thousand, eight hundred sixty-two".