1001785464087 has 16 divisors (see below), whose sum is σ = 1448780128992. Its totient is φ = 613240263680.

The previous prime is 1001785464047. The next prime is 1001785464091. The reversal of 1001785464087 is 7804645871001.

1001785464087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1001785464087 - 2¹² = 1001785459991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001785464047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239544888 + ... + 239549069.

It is an arithmetic number, because the mean of its divisors is an integer number (90548758062).

Almost surely, 2^{1001785464087} is an apocalyptic number.

1001785464087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1001785464087 is a deficient number, since it is larger than the sum of its proper divisors (446994664905).

1001785464087 is a wasteful number, since it uses less digits than its factorization.

1001785464087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479094018.

The product of its (nonzero) digits is 1505280, while the sum is 51.

The spelling of 1001785464087 in words is "one trillion, one billion, seven hundred eighty-five million, four hundred sixty-four thousand, eighty-seven".