108157771488 has 48 divisors (see below), whose sum is σ = 305753703696. Its totient is φ = 33279313920.

The previous prime is 108157771487. The next prime is 108157771489. The reversal of 108157771488 is 884177751801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108157771487) and next prime (108157771489).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108157771487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43331193 + ... + 43333688.

It is an arithmetic number, because the mean of its divisors is an integer number (6369868827).

Almost surely, 2^108157771488 is an apocalyptic number.

It is an amenable number.

108157771488 is an abundant number, since it is smaller than the sum of its proper divisors (197595932208).

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

108157771488 is a wasteful number, since it uses less digits than its factorization.

108157771488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86664907 (or 86664899 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 57.

The spelling of 108157771488 in words is "one hundred eight billion, one hundred fifty-seven million, seven hundred seventy-one thousand, four hundred eighty-eight".