87320388750345 has 40 divisors (see below), whose sum is σ = 156627288252864. Its totient is φ = 46541893644576.

The previous prime is 87320388750167. The next prime is 87320388750407. The reversal of 87320388750345 is 54305788302378.

87320388750345 is a `hidden beast` number, since 8 + 7 + 3 + 2 + 0 + 3 + 8 + 87 + 503 + 45 = 666.

It is not a de Polignac number, because 87320388750345 - 2⁹ = 87320388749833 is a prime.

It is a super-2 number, since 2×87320388750345² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 66432519 + ... + 67734188.

Almost surely, 2^{87320388750345} is an apocalyptic number.

It is an amenable number.

87320388750345 is a deficient number, since it is larger than the sum of its proper divisors (69306899502519).

87320388750345 is a wasteful number, since it uses less digits than its factorization.

87320388750345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134168331 (or 134168322 counting only the distinct ones).

The product of its (nonzero) digits is 135475200, while the sum is 63.

The spelling of 87320388750345 in words is "eighty-seven trillion, three hundred twenty billion, three hundred eighty-eight million, seven hundred fifty thousand, three hundred forty-five".