8101245850778 has 16 divisors (see below), whose sum is σ = 12233578500000. Its totient is φ = 4023387033552.

The previous prime is 8101245850777. The next prime is 8101245850823. The reversal of 8101245850778 is 8770585421018.

It is a happy number.

It is a super-2 number, since 2×8101245850778² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8101245850777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37660973 + ... + 37875471.

It is an arithmetic number, because the mean of its divisors is an integer number (764598656250).

Almost surely, 2^{8101245850778} is an apocalyptic number.

8101245850778 is a deficient number, since it is larger than the sum of its proper divisors (4132332649222).

8101245850778 is a wasteful number, since it uses less digits than its factorization.

8101245850778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341389.

The product of its (nonzero) digits is 5017600, while the sum is 56.

The spelling of 8101245850778 in words is "eight trillion, one hundred one billion, two hundred forty-five million, eight hundred fifty thousand, seven hundred seventy-eight".