1970867384787 has 24 divisors (see below), whose sum is σ = 3162264354000. Its totient is φ = 1087375106496.

The previous prime is 1970867384767. The next prime is 1970867384813. The reversal of 1970867384787 is 7874837680791.

It is not a de Polignac number, because 1970867384787 - 2¹⁴ = 1970867368403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1970867384767) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 231155412 + ... + 231163937.

It is an arithmetic number, because the mean of its divisors is an integer number (131761014750).

Almost surely, 2^{1970867384787} is an apocalyptic number.

1970867384787 is a deficient number, since it is larger than the sum of its proper divisors (1191396969213).

1970867384787 is a wasteful number, since it uses less digits than its factorization.

1970867384787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462319395 (or 462319388 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 75.

The spelling of 1970867384787 in words is "one trillion, nine hundred seventy billion, eight hundred sixty-seven million, three hundred eighty-four thousand, seven hundred eighty-seven".