425018127667 has 32 divisors (see below), whose sum is σ = 512466020352. Its totient is φ = 344612911104.

The previous prime is 425018127649. The next prime is 425018127671. The reversal of 425018127667 is 766721810524.

It is not a de Polignac number, because 425018127667 - 2⁷ = 425018127539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425018127667.

It is not an unprimeable number, because it can be changed into a prime (425018127617) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12536403 + ... + 12570259.

It is an arithmetic number, because the mean of its divisors is an integer number (16014563136).

Almost surely, 2^425018127667 is an apocalyptic number.

425018127667 is a deficient number, since it is larger than the sum of its proper divisors (87447892685).

425018127667 is a wasteful number, since it uses less digits than its factorization.

425018127667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34747.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 425018127667 in words is "four hundred twenty-five billion, eighteen million, one hundred twenty-seven thousand, six hundred sixty-seven".