402726580098587 has 2 divisors, whose sum is σ = 402726580098588. Its totient is φ = 402726580098586.

The previous prime is 402726580098529. The next prime is 402726580098607. The reversal of 402726580098587 is 785890085627204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 402726580098587 - 2³⁶ = 402657860621851 is a prime.

It is a super-2 number, since 2×402726580098587² (a number of 30 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 402726580098587.

It is not a weakly prime, because it can be changed into another prime (402726586098587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201363290049293 + 201363290049294.

It is an arithmetic number, because the mean of its divisors is an integer number (201363290049294).

Almost surely, 2^{402726580098587} is an apocalyptic number.

402726580098587 is a deficient number, since it is larger than the sum of its proper divisors (1).

402726580098587 is an equidigital number, since it uses as much as digits as its factorization.

402726580098587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 541900800, while the sum is 71.

The spelling of 402726580098587 in words is "four hundred two trillion, seven hundred twenty-six billion, five hundred eighty million, ninety-eight thousand, five hundred eighty-seven".