867280030020755 has 32 divisors (see below), whose sum is σ = 1147060492171776. Its totient is φ = 625551128976384.

The previous prime is 867280030020689. The next prime is 867280030020793. The reversal of 867280030020755 is 557020030082768.

It is a happy number.

It is not a de Polignac number, because 867280030020755 - 2³⁸ = 867005152113811 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 867280030020697 and 867280030020706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 563694482 + ... + 565230951.

It is an arithmetic number, because the mean of its divisors is an integer number (35845640380368).

Almost surely, 2^{867280030020755} is an apocalyptic number.

867280030020755 is a deficient number, since it is larger than the sum of its proper divisors (279780462151021).

867280030020755 is a wasteful number, since it uses less digits than its factorization.

867280030020755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128925727.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 867280030020755 in words is "eight hundred sixty-seven trillion, two hundred eighty billion, thirty million, twenty thousand, seven hundred fifty-five".