26878276467 has 32 divisors (see below), whose sum is σ = 45519221760. Its totient is φ = 15355293120.

The previous prime is 26878276457. The next prime is 26878276493. The reversal of 26878276467 is 76467287862.

26878276467 is a `hidden beast` number, since 26 + 8 + 7 + 82 + 76 + 467 = 666.

It is not a de Polignac number, because 26878276467 - 2¹⁰ = 26878275443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (26878276457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 891042 + ... + 920712.

It is an arithmetic number, because the mean of its divisors is an integer number (1422475680).

Almost surely, 2^26878276467 is an apocalyptic number.

26878276467 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

26878276467 is a deficient number, since it is larger than the sum of its proper divisors (18640945293).

26878276467 is a wasteful number, since it uses less digits than its factorization.

26878276467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34480 (or 34474 counting only the distinct ones).

The product of its digits is 75866112, while the sum is 63.

The spelling of 26878276467 in words is "twenty-six billion, eight hundred seventy-eight million, two hundred seventy-six thousand, four hundred sixty-seven".