126887923680 has 96 divisors (see below), whose sum is σ = 456796537344. Its totient is φ = 29002953216.

The previous prime is 126887923633. The next prime is 126887923693. The reversal of 126887923680 is 86329788621.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×126887923680² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18878772 + ... + 18885491.

It is an arithmetic number, because the mean of its divisors is an integer number (4758297264).

Almost surely, 2^126887923680 is an apocalyptic number.

126887923680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126887923680 is an abundant number, since it is smaller than the sum of its proper divisors (329908613664).

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

126887923680 is a wasteful number, since it uses less digits than its factorization.

126887923680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764288 (or 37764280 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 60.

The spelling of 126887923680 in words is "one hundred twenty-six billion, eight hundred eighty-seven million, nine hundred twenty-three thousand, six hundred eighty".