215376079875 has 128 divisors (see below), whose sum is σ = 406907504640. Its totient is φ = 100210880000.

The previous prime is 215376079837. The next prime is 215376079909. The reversal of 215376079875 is 578970673512.

It is a happy number.

It is not a de Polignac number, because 215376079875 - 2⁶ = 215376079811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19971985 + ... + 19982765.

It is an arithmetic number, because the mean of its divisors is an integer number (3178964880).

Almost surely, 2^215376079875 is an apocalyptic number.

215376079875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

215376079875 is a deficient number, since it is larger than the sum of its proper divisors (191531424765).

215376079875 is a wasteful number, since it uses less digits than its factorization.

215376079875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11006 (or 10996 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 215376079875 in words is "two hundred fifteen billion, three hundred seventy-six million, seventy-nine thousand, eight hundred seventy-five".