376255407978681 has 32 divisors (see below), whose sum is σ = 625484299545600. Its totient is φ = 195450865980480.

The previous prime is 376255407978679. The next prime is 376255407978713. The reversal of 376255407978681 is 186879704552673.

It is not a de Polignac number, because 376255407978681 - 2¹ = 376255407978679 is a prime.

It is a super-2 number, since 2×376255407978681² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 376255407978597 and 376255407978606.

It is not an unprimeable number, because it can be changed into a prime (376255407978481) 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, 20059546 + ... + 33983763.

It is an arithmetic number, because the mean of its divisors is an integer number (19546384360800).

It is a 1-persistent number, because it is pandigital, but 2⋅376255407978681 = 752510815957362 is not.

Almost surely, 2^{376255407978681} is an apocalyptic number.

It is an amenable number.

376255407978681 is a deficient number, since it is larger than the sum of its proper divisors (249228891566919).

376255407978681 is a wasteful number, since it uses less digits than its factorization.

376255407978681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54073469.

The product of its (nonzero) digits is 4267468800, while the sum is 78.

The spelling of 376255407978681 in words is "three hundred seventy-six trillion, two hundred fifty-five billion, four hundred seven million, nine hundred seventy-eight thousand, six hundred eighty-one".