84387727550858 has 64 divisors (see below), whose sum is σ = 142512166298880. Its totient is φ = 37280598220800.

The previous prime is 84387727550831. The next prime is 84387727550887. The reversal of 84387727550858 is 85805572778348.

It is a super-2 number, since 2×84387727550858² (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 31 ways as a sum of consecutive naturals, for example, 60116438 + ... + 61504158.

It is an arithmetic number, because the mean of its divisors is an integer number (2226752598420).

Almost surely, 2^{84387727550858} is an apocalyptic number.

84387727550858 is a deficient number, since it is larger than the sum of its proper divisors (58124438748022).

84387727550858 is a wasteful number, since it uses less digits than its factorization.

84387727550858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389503.

The product of its (nonzero) digits is 4214784000, while the sum is 77.

The spelling of 84387727550858 in words is "eighty-four trillion, three hundred eighty-seven billion, seven hundred twenty-seven million, five hundred fifty thousand, eight hundred fifty-eight".