120477538819 has 24 divisors (see below), whose sum is σ = 133823489184. Its totient is φ = 108370416000.

The previous prime is 120477538771. The next prime is 120477538859. The reversal of 120477538819 is 918835774021.

It is not a de Polignac number, because 120477538819 - 2¹³ = 120477530627 is a prime.

It is a super-2 number, since 2×120477538819² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120477538819.

It is not an unprimeable number, because it can be changed into a prime (120477538859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31980474 + ... + 31984240.

It is an arithmetic number, because the mean of its divisors is an integer number (5575978716).

Almost surely, 2^120477538819 is an apocalyptic number.

120477538819 is a deficient number, since it is larger than the sum of its proper divisors (13345950365).

120477538819 is a wasteful number, since it uses less digits than its factorization.

120477538819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507 (or 6496 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 55.

The spelling of 120477538819 in words is "one hundred twenty billion, four hundred seventy-seven million, five hundred thirty-eight thousand, eight hundred nineteen".