78826702156151 has 2 divisors, whose sum is σ = 78826702156152. Its totient is φ = 78826702156150.

The previous prime is 78826702156109. The next prime is 78826702156171. The reversal of 78826702156151 is 15165120762887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78826702156151 - 2²⁶ = 78826635047287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78826702156171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39413351078075 + 39413351078076.

It is an arithmetic number, because the mean of its divisors is an integer number (39413351078076).

Almost surely, 2^{78826702156151} is an apocalyptic number.

78826702156151 is a deficient number, since it is larger than the sum of its proper divisors (1).

78826702156151 is an equidigital number, since it uses as much as digits as its factorization.

78826702156151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 78826702156151 in words is "seventy-eight trillion, eight hundred twenty-six billion, seven hundred two million, one hundred fifty-six thousand, one hundred fifty-one".