8454870491077 has 16 divisors (see below), whose sum is σ = 8755186541040. Its totient is φ = 8155141005312.

The previous prime is 8454870491069. The next prime is 8454870491107. The reversal of 8454870491077 is 7701940784548.

It is a Cunningham number, because it is equal to 2907726²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 649948765636 + 7804921725441 = 806194^2 + 2793729^2 .

It is a cyclic number.

It is not a de Polignac number, because 8454870491077 - 2³ = 8454870491069 is a prime.

It is a super-2 number, since 2×8454870491077² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8454870491477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362345103 + ... + 362368435.

It is an arithmetic number, because the mean of its divisors is an integer number (547199158815).

Almost surely, 2^{8454870491077} is an apocalyptic number.

It is an amenable number.

8454870491077 is a deficient number, since it is larger than the sum of its proper divisors (300316049963).

8454870491077 is a wasteful number, since it uses less digits than its factorization.

8454870491077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35352.

The product of its (nonzero) digits is 63221760, while the sum is 64.

The spelling of 8454870491077 in words is "eight trillion, four hundred fifty-four billion, eight hundred seventy million, four hundred ninety-one thousand, seventy-seven".