1197858826436 has 48 divisors (see below), whose sum is σ = 2229534058752. Its totient is φ = 561171110400.

The previous prime is 1197858826403. The next prime is 1197858826459. The reversal of 1197858826436 is 6346288587911.

It is a Harshad number since it is a multiple of its sum of digits (68).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14207846 + ... + 14291906.

It is an arithmetic number, because the mean of its divisors is an integer number (46448626224).

Almost surely, 2^{1197858826436} is an apocalyptic number.

It is an amenable number.

1197858826436 is a deficient number, since it is larger than the sum of its proper divisors (1031675232316).

1197858826436 is a wasteful number, since it uses less digits than its factorization.

1197858826436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85020 (or 85018 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 68.

The spelling of 1197858826436 in words is "one trillion, one hundred ninety-seven billion, eight hundred fifty-eight million, eight hundred twenty-six thousand, four hundred thirty-six".