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407864078897 = 11172339360907
BaseRepresentation
bin1011110111101101001…
…01111111001000110001
31102222202202012222012012
411323312211333020301
523140301201011042
6511211542412305
741316152316512
oct5736645771061
91388682188165
10407864078897
11147a79704260
1267068a31095
132c5cc971872
1415a527a8a09
15a921ee5e82
hex5ef697f231

407864078897 has 16 divisors (see below), whose sum is σ = 473137733952. Its totient is φ = 347476830720.

The previous prime is 407864078893. The next prime is 407864078933. The reversal of 407864078897 is 798870468704.

It is a cyclic number.

It is not a de Polignac number, because 407864078897 - 22 = 407864078893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (407864078893) 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, 4636883 + ... + 4724024.

It is an arithmetic number, because the mean of its divisors is an integer number (29571108372).

Almost surely, 2407864078897 is an apocalyptic number.

It is an amenable number.

407864078897 is a deficient number, since it is larger than the sum of its proper divisors (65273655055).

407864078897 is a wasteful number, since it uses less digits than its factorization.

407864078897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361168.

The product of its (nonzero) digits is 151732224, while the sum is 68.

The spelling of 407864078897 in words is "four hundred seven billion, eight hundred sixty-four million, seventy-eight thousand, eight hundred ninety-seven".

Divisors: 1 11 17 187 233 2563 3961 43571 9360907 102969977 159135419 1750489609 2181091331 23992004641 37078552627 407864078897