260501623976878 has 4 divisors (see below), whose sum is σ = 390752435965320. Its totient is φ = 130250811988438.

The previous prime is 260501623976873. The next prime is 260501623976887. The reversal of 260501623976878 is 878679326105062.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×260501623976878² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260501623976873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65125405994218 + ... + 65125405994221.

It is an arithmetic number, because the mean of its divisors is an integer number (97688108991330).

Almost surely, 2^{260501623976878} is an apocalyptic number.

260501623976878 is a deficient number, since it is larger than the sum of its proper divisors (130250811988442).

260501623976878 is a wasteful number, since it uses less digits than its factorization.

260501623976878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130250811988441.

The product of its (nonzero) digits is 365783040, while the sum is 70.

The spelling of 260501623976878 in words is "two hundred sixty trillion, five hundred one billion, six hundred twenty-three million, nine hundred seventy-six thousand, eight hundred seventy-eight".