920081278164775 has 12 divisors (see below), whose sum is σ = 1200948194657800. Its totient is φ = 697324758187680.

The previous prime is 920081278164749. The next prime is 920081278164833. The reversal of 920081278164775 is 577461872180029.

It is not a de Polignac number, because 920081278164775 - 2⁵ = 920081278164743 is a prime.

It is a super-3 number, since 3×920081278164775³ (a number of 46 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 920081278164775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 968506608120 + ... + 968506609069.

Almost surely, 2^{920081278164775} is an apocalyptic number.

920081278164775 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

920081278164775 is a deficient number, since it is larger than the sum of its proper divisors (280866916493025).

920081278164775 is a wasteful number, since it uses less digits than its factorization.

920081278164775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1937013217218 (or 1937013217213 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 67.

The spelling of 920081278164775 in words is "nine hundred twenty trillion, eighty-one billion, two hundred seventy-eight million, one hundred sixty-four thousand, seven hundred seventy-five".