172078196083 has 2 divisors, whose sum is σ = 172078196084. Its totient is φ = 172078196082.

The previous prime is 172078196041. The next prime is 172078196107. The reversal of 172078196083 is 380691870271.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-172078196083 is a prime.

It is a super-2 number, since 2×172078196083² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 172078196083.

It is not a weakly prime, because it can be changed into another prime (172078196023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86039098041 + 86039098042.

It is an arithmetic number, because the mean of its divisors is an integer number (86039098042).

Almost surely, 2^172078196083 is an apocalyptic number.

172078196083 is a deficient number, since it is larger than the sum of its proper divisors (1).

172078196083 is an equidigital number, since it uses as much as digits as its factorization.

172078196083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 172078196083 in words is "one hundred seventy-two billion, seventy-eight million, one hundred ninety-six thousand, eighty-three".