8978153619131 has 2 divisors, whose sum is σ = 8978153619132. Its totient is φ = 8978153619130.

The previous prime is 8978153619091. The next prime is 8978153619157. The reversal of 8978153619131 is 1319163518798.

8978153619131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8978153619131 - 2¹⁸ = 8978153356987 is a prime.

It is a super-2 number, since 2×8978153619131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8978153319131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489076809565 + 4489076809566.

It is an arithmetic number, because the mean of its divisors is an integer number (4489076809566).

Almost surely, 2^{8978153619131} is an apocalyptic number.

8978153619131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8978153619131 is an equidigital number, since it uses as much as digits as its factorization.

8978153619131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 62.

The spelling of 8978153619131 in words is "eight trillion, nine hundred seventy-eight billion, one hundred fifty-three million, six hundred nineteen thousand, one hundred thirty-one".