26446463387 has 8 divisors (see below), whose sum is σ = 27001964304. Its totient is φ = 25896602368.

The previous prime is 26446463341. The next prime is 26446463429. The reversal of 26446463387 is 78336464462.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26446463387 - 2¹⁴ = 26446447003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26446403387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1400498 + ... + 1419255.

It is an arithmetic number, because the mean of its divisors is an integer number (3375245538).

Almost surely, 2^26446463387 is an apocalyptic number.

26446463387 is a deficient number, since it is larger than the sum of its proper divisors (555500917).

26446463387 is a wasteful number, since it uses less digits than its factorization.

26446463387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2819949.

The product of its digits is 13934592, while the sum is 53.

The spelling of 26446463387 in words is "twenty-six billion, four hundred forty-six million, four hundred sixty-three thousand, three hundred eighty-seven".