78153000025863 has 32 divisors (see below), whose sum is σ = 126288699042816. Its totient is φ = 41967498106368.

The previous prime is 78153000025843. The next prime is 78153000025871. The reversal of 78153000025863 is 36852000035187.

It is not a de Polignac number, because 78153000025863 - 2⁶ = 78153000025799 is a prime.

It is a super-2 number, since 2×78153000025863² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78153000025843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167390131 + ... + 167856372.

It is an arithmetic number, because the mean of its divisors is an integer number (3946521845088).

Almost surely, 2^{78153000025863} is an apocalyptic number.

78153000025863 is a deficient number, since it is larger than the sum of its proper divisors (48135699016953).

78153000025863 is a wasteful number, since it uses less digits than its factorization.

78153000025863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335247183.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 78153000025863 in words is "seventy-eight trillion, one hundred fifty-three billion, twenty-five thousand, eight hundred sixty-three".