127428100723782 has 64 divisors (see below), whose sum is σ = 283920174120960. Its totient is φ = 42364046716992.

The previous prime is 127428100723771. The next prime is 127428100723793. The reversal of 127428100723782 is 287327001824721.

127428100723782 is a `hidden beast` number, since 1 + 2 + 7 + 428 + 100 + 7 + 2 + 37 + 82 = 666.

It is an interprime number because it is at equal distance from previous prime (127428100723771) and next prime (127428100723793).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 1490571043 + ... + 1490656529.

It is an arithmetic number, because the mean of its divisors is an integer number (4436252720640).

Almost surely, 2^{127428100723782} is an apocalyptic number.

127428100723782 is an abundant number, since it is smaller than the sum of its proper divisors (156492073397178).

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

127428100723782 is a wasteful number, since it uses less digits than its factorization.

127428100723782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157954 (or 157948 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 54.

The spelling of 127428100723782 in words is "one hundred twenty-seven trillion, four hundred twenty-eight billion, one hundred million, seven hundred twenty-three thousand, seven hundred eighty-two".