87320124783 has 6 divisors (see below), whose sum is σ = 126129069144. Its totient is φ = 58213416516.

The previous prime is 87320124757. The next prime is 87320124839. The reversal of 87320124783 is 38742102378.

87320124783 is a `hidden beast` number, since 8 + 7 + 320 + 1 + 247 + 83 = 666.

It is not a de Polignac number, because 87320124783 - 2¹⁸ = 87319862639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87320124743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4851118035 + ... + 4851118052.

It is an arithmetic number, because the mean of its divisors is an integer number (21021511524).

Almost surely, 2^87320124783 is an apocalyptic number.

87320124783 is a deficient number, since it is larger than the sum of its proper divisors (38808944361).

87320124783 is a wasteful number, since it uses less digits than its factorization.

87320124783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9702236093 (or 9702236090 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 87320124783 in words is "eighty-seven billion, three hundred twenty million, one hundred twenty-four thousand, seven hundred eighty-three".