7870498285381 has 2 divisors, whose sum is σ = 7870498285382. Its totient is φ = 7870498285380.

The previous prime is 7870498285337. The next prime is 7870498285457. The reversal of 7870498285381 is 1835828940787.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5983693853281 + 1886804432100 = 2446159^2 + 1373610^2 .

It is a cyclic number.

It is not a de Polignac number, because 7870498285381 - 2²⁵ = 7870464730949 is a prime.

It is a super-2 number, since 2×7870498285381² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7870498285381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7870498255381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3935249142690 + 3935249142691.

It is an arithmetic number, because the mean of its divisors is an integer number (3935249142691).

Almost surely, 2^{7870498285381} is an apocalyptic number.

It is an amenable number.

7870498285381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7870498285381 is an equidigital number, since it uses as much as digits as its factorization.

7870498285381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216760320, while the sum is 70.

The spelling of 7870498285381 in words is "seven trillion, eight hundred seventy billion, four hundred ninety-eight million, two hundred eighty-five thousand, three hundred eighty-one".