87433197380 has 12 divisors (see below), whose sum is σ = 183609714540. Its totient is φ = 34973278944.

The previous prime is 87433197367. The next prime is 87433197391. The reversal of 87433197380 is 8379133478.

It can be written as a sum of positive squares in 2 ways, for example, as 9472739584 + 77960457796 = 97328^2 + 279214^2 .

It is a super-4 number, since 4×87433197380⁴ (a number of 45 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2185829915 + ... + 2185829954.

It is an arithmetic number, because the mean of its divisors is an integer number (15300809545).

Almost surely, 2^87433197380 is an apocalyptic number.

It is an amenable number.

87433197380 is an abundant number, since it is smaller than the sum of its proper divisors (96176517160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87433197380 is a wasteful number, since it uses less digits than its factorization.

87433197380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4371659878 (or 4371659876 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 87433197380 in words is "eighty-seven billion, four hundred thirty-three million, one hundred ninety-seven thousand, three hundred eighty".